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Product Description
Oversized Performance. Surprisingly Smooth. Built to Work.
The Gerber Sumo Pivot Lock is unapologetically big, bold, and built for serious cutting performance. Featuring a massive 3.875-inch spear point blade, ambidextrous Pivot Lock, and rugged layered G10 handle scales, the Sumo delivers exceptional strength, control, and confidence for demanding everyday carry and outdoor use.
Despite its substantial size, the Sumo opens effortlessly thanks to a ball-bearing pivot and oversized thumb hole, creating an incredibly smooth one-handed deployment that's equally comfortable for left- and right-handed users.
Large Stonewashed Spear Point Blade
The 3.875-inch spear point blade is crafted from 7Cr17MoV stainless steel, providing excellent corrosion resistance, dependable toughness, and easy maintenance for everyday use.
Finished in a black stonewashed coating, the blade helps conceal scratches while reducing glare and giving the knife a rugged, broken-in appearance.
Blade Highlights
🔪 3.875" spear point blade
⚙️ 7Cr17MoV stainless steel
✨ Black stonewashed finish
✂️ Plain edge for versatile cutting
💪 Hollow ground for excellent slicing performance
Smooth Ambidextrous Pivot Lock
One of the Sumo's standout features is Gerber's Pivot Lock, a crossbar-style locking mechanism that's easy to operate from either side of the knife.
Combined with a ball-bearing pivot system, deployment is exceptionally smooth and fast using the oversized thumb hole.
Opening Features
⚙️ Ambidextrous Pivot Lock
⚙️ Ball-bearing pivot system
⚙️ Oversized thumb hole
⚙️ Smooth manual one-handed opening
Built for Hard Use
The black and gray layered G10 handle scales provide excellent grip in wet or dry conditions while ceramic-coated stainless steel liners add strength and a subtle visual accent.
A reversible tip-up pocket clip and integrated lanyard hole allow you to customize your preferred carry method.
Why Choose the Gerber Sumo?
✔ Large 3.875" spear point blade
✔ Smooth ball-bearing pivot
✔ Ambidextrous Pivot Lock
✔ Durable layered G10 handle
✔ Black stonewashed finish
✔ Reversible tip-up pocket clip
✔ Lanyard hole
✔ Excellent value for a full-size EDC folder
Specifications
- Brand: Gerber
- Model: Sumo
- Model Number: 31-003927
- Knife Type: Manual Folding Knife
- Blade Length: 3.875 in.
- Overall Length: 8.875 in.
- Closed Length: 5.0 in.
- Blade Material: 7Cr17MoV Stainless Steel
- Blade Thickness: 0.130 in.
- Blade Style: Spear Point
- Blade Grind: Hollow
- Blade Finish: Black Stonewashed
- Blade Edge: Plain
- Opening Method: Oversized Thumb Hole
- Pivot System: Ball Bearings
- Lock Type: Pivot Lock
- Handle Material: Black & Gray Layered G10
- Liner Material: Ceramic-Coated Stainless Steel
- Pocket Clip: Reversible Tip-Up (Left/Right Carry)
- Lanyard Hole: Yes
- Weight: 5.15 oz.
- Country of Origin: China
What's Included
- Gerber Sumo Pivot Lock Folding Knife (31-003927)
- Factory Packaging
Knife Depot Take
The Gerber Sumo isn't trying to be the smallest knife in your pocket—it's built for users who want a full-size folder with excellent ergonomics and impressive cutting performance. The oversized blade tackles larger jobs with ease, while the Pivot Lock and ball-bearing pivot make it one of the smoothest-opening knives in its class.
The layered G10 handle gives the Sumo a premium look and feel, while the generous grip fills the hand comfortably during extended use. If you like larger everyday carry knives, this one deserves a serious look.
Why It's Worth Paying Attention To
Many oversized folders feel bulky or slow, but the Gerber Sumo strikes an impressive balance between size and usability. Its weight-forward design offers excellent control, the ambidextrous Pivot Lock provides secure lockup and easy operation, and the smooth ball-bearing action makes deployment fast and satisfying.
Whether you're tackling demanding work, heading outdoors, or simply prefer a substantial everyday carry knife, the Gerber Sumo delivers outstanding performance and value.
Upgrade Your Everyday Carry
Big, smooth, and built to perform, the Gerber Sumo Pivot Lock combines a robust blade, premium handle materials, and an ambidextrous locking system into one dependable everyday carry knife.
Order your Gerber Sumo Pivot Lock Folding Knife today and experience oversized performance with everyday reliability.
Specifications
About brand
In 1939 Joseph Gerber hired a local knife maker to build 25 sets of kitchen cutlery to be given as Christmas gifts. The knives were so popular that Joseph Gerber left his advertising agency to start Gerber Legendary Blades®. The unique style and high quality manufacturing of Gerber cutlery soon developed wide spread acclaim. In fact, Gerber Legendary Blades are the only cutlery on display in New York?s famous Museum of Modern Art.
From very early on, Gerber collaborated with top knife designers, setting a standard of quality for everyone else to follow. Renowned designers such as Al Mar, Bob Loveless, Paul Poehlmann, 'Blackie' Collins, William Harsey Jr. and Ernest Emerson have all designed knives for Gerber. In 2002 this tradition continued as Gerber released the Silver Trident?, designed by Chief James 'Patches' Watson (U.S.N. Ret.) and Bill Harsey Jr.
Today, Gerber continues to design and manufacture unique, high quality outdoor recreation products. In 2003 we are proud to introduce the next generation of multi-tools: the Recoil? Auto-Plier. By constantly utilizing new technology and innovative design to develop new products, Gerber continues to be an industry leader.
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