Best Auto Folding Knife for OTF and Button-Lock Designs

#1 · Best Overall

1. Smith & Wesson MPOTF10

• Size: 8.66"

Best for: Emergency glass-breaker carry.

Why it ranks #1: Its OTF designation most closely fits the auto-knife search, with a 3.5-inch AUS-8 blade, aluminum handle, safety lock, and glass breaker.

A hardened glass breaker gives the Smith & Wesson MPOTF10 an emergency-use feature alongside its 3.5-inch serrated spear-point blade. The black oxide AUS-8 stainless-steel blade and aluminum handle form a tactical-style folder, with a safety lock specified to help protect against unintended opening.

The 8.66-inch overall length and 5.16-inch handle give buyers useful size references for carry and grip, while the 6-ounce listed weight may matter for daily pocket use. A serrated 3.5-inch spear point provides the stated blade format, and the hardened glass breaker adds an emergency function beyond cutting. The safety lock is a relevant handling feature, but the supplied information does not specify an opening mechanism, so shoppers should not assume assisted deployment.

Skip it if you require a specified assisted-opening system; the Smith & Wesson SWMP4LS explicitly lists M.A.G.I.C. assisted opening.

This suits buyers who want a serrated folder with a glass breaker for emergency-oriented carry. Its 6-ounce weight and unspecified opening mechanism are worth considering if quick deployment or lighter pocket carry is central.

Listed on Amazon as: Smith & Wesson MPOTF10 Gray/Black Serrated – Box

#2 · Best Button Lock

2. Generic Push Button Lock Knife

• Handle Material: T6 aviation aluminum
• Blade Material: Stainless Steel
• Size: 6.69 in

Best for: Compact reverse-tanto carry.

Why it ranks #2: The push-button lock fits buyers seeking button operation, while its 440C reverse-tanto blade, aluminum handle, and 60-gram knife weight are specified.

A 7 cm blackwashed reverse-tanto blade paired with a T6 aviation-aluminum handle gives this compact folder a defined outdoor-carry profile. At 60 g net, it can ride in a pocket without the heft of a larger knife, while the reversible deep-carry clip supports choosing a carry side.

The 440C blade is specified for corrosion resistance, a useful attribute when camping or carrying the knife outdoors. Its 17 cm overall length and 10 cm handle give buyers clear dimensions for judging hand and pocket fit before choosing it. The reversible deep-carry clip offers carry-side flexibility, and the push-button lock provides the listed opening and locking format. Those features suit an EDC or camping role, though the 7 cm blade is shorter than larger options.

Skip it if you need a blade longer than 7 cm for larger cutting tasks; consider the Smith & Wesson SWMP4LS with its 3.6-inch blade.

This fits buyers seeking a light, compact folder for everyday carry, camping, or emergency use, especially those who value reversible clip placement. Its 7 cm blade and compact handle make it a less natural pick for extended cutting.

Listed on Amazon as: Push Button Lock Knife, Tactical EDC Folding Knife, Black Stonewashed Reverse Tanto Blade Aluminum Handle Outdoor Hunting Camping Knives With Reversible Deep Carry Pocket Clip For Men

#3 · Lightweight Button Lock

3. Generic 6.7in EDC Knife

• Handle Material: Aluminum
• Blade Material: Alloy Steel
• Size: 6.7in

Best for: Lightweight button-lock carry.

Why it ranks #3: This compact listing specifies button opening and locking, plus an aluminum handle, belt clip, and 6.7-inch overall length.

A 60 g listed net weight and button-opening lock make this 6.7-inch folder a compact choice for buyers seeking lightweight outdoor carry. The 2.75-inch clip-point blade is described as 440C steel, and its aviation-aluminum handle pairs with a reversible belt clip for flexible carry placement.

The button lock is presented as easier to open and safe to use, while the spring-assist description adds an assisted-opening element to the folder’s operation. At 2.75 inches, the blade suits buyers comparing compact dimensions for camping, fishing, hiking, or peeling. The aluminum handle and reversible clip support portable carry, and the listed 60 g net weight keeps the carry profile light. The supplied steel details vary, with 440C in the feature text and alloy steel in specifications.

Skip it if you need a consistent blade-steel listing before purchase; the Gerber 06 FAST specifies 7Cr17MoV stainless steel.

This suits buyers wanting a lightweight button-opening folder for camping, fishing, hiking, or peeling, with reversible clip placement. Its compact 2.75-inch blade and inconsistent steel descriptions are important fit considerations.

Listed on Amazon as: Generic 6.7in EDC Pocket Folding Knife, Assisted Button lock knife Knife for Men, 8Cr13Mov Blade, Aviation Aluminum Green Handle with Belt Clip, Portable for Camping Survival

#4 · Longest Listed Blade

4. HUAAO Assisted Open Knife

• Handle Material: Plastic
• Blade Material: Stainless Steel
• Size: 3.3"

Best for: Button-lock outdoor folder.

Why it ranks #4: Its 8.3-centimeter blade is the longest stated here, and the listing describes assisted opening, a button lock, and a 100-gram net weight.

A button lock and one-handed operation define this 7.7-inch HUAAO folder for buyers who want a readily handled outdoor knife. Its 8.3 cm drop-point blade is listed as 440C in the dimensions, while the product features also describe a 7Cr13MoV blade with corrosion resistance and edge retention.

The 11.5 cm ABS handle gives this folder a substantial grip area, and its 3 mm blade thickness is specified for buyers comparing size and handling. Button-lock operation supports the listed one-handed use, while the included sheath offers a carry option beyond a pocket clip. Its 100 g net weight is a practical consideration for daily pocket carry. Because the supplied blade material descriptions differ, shoppers should note that the dimensions specify 440C while the feature text names 7Cr13MoV.

Skip it if you require one consistent blade-steel specification before choosing; the Gerber 06 FAST lists 7Cr17MoV stainless steel.

This fits buyers seeking a button-lock folder for camping, hunting, hiking, or fishing, with a sheath for carry. Consider the 100 g net weight and the conflicting steel descriptions when deciding whether it suits your needs.

Listed on Amazon as: HUAAO 7.7" Assisted Open Folding Pocket Knife,Button Lock EDC Utility Knife for Camping, Hunting, Hiking, Fishing, Indoor and Outdoor Activities Gifts

#5 · Serrated Assisted

5. Smith & Wesson SWMP4LS

• Handle Material: Aluminum
• Blade Material: Stainless Steel
• Size: 3.6"

Best for: Assisted-opening serrated EDC.

Why it ranks #5: M.A.G.I.C. assisted opening and a 3.6-inch partially serrated blade suit buyers wanting assisted deployment and a longer cutting edge.

M.A.G.I.C. assisted opening, activated with a flipper or finger actuator, gives the Smith & Wesson SWMP4LS a quick-access format for everyday carry. Its 3.6-inch partially serrated clip-point blade pairs with a black aluminum handle with rubber inlay, combining a longer edge with added grip texture.

The pocket clip keeps the 8.6-inch open knife accessible for carry, while the assisted mechanism and dual actuator options provide more than one listed way to deploy it. A 4034 black oxide high-carbon stainless-steel blade and partially serrated edge suit buyers who want a mix of plain and toothed cutting sections. The 7.6-ounce listed weight is worth factoring into daily carry preferences. Hand-wash-only care is specified, so routine maintenance is not a dishwasher task.

Skip it if you prefer a lighter daily folder; the Smith & Wesson Extreme Ops SWA24S is listed at about 3.5 ounces.

Choose this if quick assisted access, a 3.6-inch partially serrated blade, and a rubber-inlay handle suit your outdoor or EDC routine. Its 7.6-ounce weight and hand-wash-only care are relevant carry and upkeep boundaries.

Listed on Amazon as: Smith & Wesson SWMP4LS 8.6in S.S. Assisted Folding Knife with 3.6in Serrated Clip Point Blade and Aluminum Handle for Outdoor Tactical Survival and EDC , Black

#6

6. Gerber 06 FAST

• Handle Material: Textured G-10, Textured G-10
• Blade Material: Stainless Steel
• Size: 3.8"

Best for: Fast-deploy camping folder.

Why it ranks #6: Gerber specifies forward-action spring technology and a 3.75-inch partially serrated tanto blade, but does not describe a button lock.

Gerber’s patented forward-action FAST spring technology gives the 06 FAST a quick blade-deployment format for camping and everyday carry. The 3.75-inch partially serrated tanto blade is paired with a textured G10 handle, offering a longer cutting edge and a grip surface specified for use when wet.

The 7Cr17MoV stainless-steel blade and partially serrated edge support varied cutting tasks, while the tanto shape is described as intended for thrusting. FAST deployment connects the opening mechanism to quick access, and the 5.7-ounce weight gives buyers a concrete carry consideration. A sturdy pocket clip and lanyard hole provide two listed attachment options, and the striking pommel adds another feature. The slim design is noted in the product text, though its dimensions are not provided here.

Skip it if you want a lighter folder for routine pocket carry; the Smith & Wesson Extreme Ops SWA24S weighs about 3.5 ounces.

This fits buyers who prioritize quick deployment, a longer serrated tanto edge, and a textured grip for camping or EDC. Its 5.7-ounce weight is the main carry consideration for those choosing a pocket knife.

Listed on Amazon as: Gerber 06 FAST EDC Folding Pocket Knife, 3.8" Serrated Tanto Blade, Camping

#7

7. Smith & Wesson SWA24S

• Handle Material: Aluminum
• Blade Material: High Carbon Stainless Steel
• Size: 3.1"

Best for: Lightweight serrated EDC.

Why it ranks #7: This 3.1-inch partially serrated knife has a flipper and thumb knobs, but its listed liner lock and manual controls are less aligned with auto opening.

At about 3.5 ounces, the Smith & Wesson Extreme Ops SWA24S offers a lighter carry profile with a 3.1-inch partially serrated clip-point blade. Its aluminum handle includes jimping, and the liner lock, finger flipper, and ambidextrous thumb knobs give buyers multiple listed handling features.

The pocket clip supports everyday carry, while the finger flipper and ambidextrous thumb knobs provide alternative access points for opening. A 7Cr17MoV black oxide high-carbon stainless-steel blade with a partially serrated edge suits buyers who want both plain and toothed sections. Handle jimping and finger indentions support a more secure grip during use. The liner lock secures the blade in the open position, and hand-wash-only care sets a clear maintenance routine.

Skip it if you specifically want assisted opening; the Smith & Wesson SWMP4LS lists M.A.G.I.C. assisted deployment.

This is a good fit for everyday carry when a lighter aluminum-handled folder and serrated edge matter more than assisted deployment. Its 3.1-inch blade and hand-wash-only care are useful boundaries to weigh.

Listed on Amazon as: Smith & Wesson Accessories Extreme Ops SWA24S 7.1in S.S. Folding Knife with 3.1in Serrated Clip Point Blade and Aluminum Handle for Outdoor, Tactical, Survival and EDC

#8

8. Kershaw Interstellar

• Handle Material: Fiberglass Reinforced Nylon
• Blade Material: Alloy Steel
• Size: 2.7"

Best for: OTF tool with bottle opener.

Why it ranks #8: The Interstellar is explicitly a manual OTF, so it misses automatic deployment despite its 2.7-inch serrated tanto blade and bottle opener.

The Kershaw Interstellar combines a manual OTF tanto blade with an integrated bottle opener, letting one pocket tool handle everyday cutting and bottle-opening tasks. Its partially serrated 8Cr13MoV blade has a BlackWash finish, while the glass-filled nylon handle and deep pocket clip support practical pocket carry.

The 2.7-inch blade keeps this knife compact, and the deep pocket clip helps position it for carry. Partially serrated edges give buyers a combination of edge types for varied cutting, while the tanto profile and 8Cr13MoV steel are specified for strength, hardness, and edge retention. The integrated bottle opener adds another task without a separate tool. Its manual OTF format is distinct from assisted-opening folders, a useful distinction for shoppers choosing an opening style.

Skip it if you want a longer edge for larger cutting jobs; the Gerber 06 FAST has a 3.75-inch blade.

This suits buyers who want a compact manual OTF knife with a bottle opener for everyday carry and varied small tasks. The 2.7-inch blade is the key fit boundary if your routine calls for more edge length.

Listed on Amazon as: Kershaw Interstellar Pocket Knife, Manual OTF Tanto Blade with Serrations, Blackwash Finish with GFN Handle, Bottle Opener & Deep Pocketclip