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Product Description
The Benchmade Auto Immunity® 2900BK-1 delivers premium automatic performance in an exceptionally compact everyday carry package. Featuring a 2.49-inch CPM M4 high-speed steel Wharncliffe blade with a durable Black Cerakote® finish, this American-made automatic knife offers incredible edge retention, toughness, and precise cutting performance for daily tasks.
Its distinctive Burnt Bronze anodized 6061-T6 aluminum handle combines lightweight strength with a premium appearance, while the Auto AXIS® Lock provides lightning-fast push-button deployment and secure lockup. Despite its compact size, the ergonomic handle offers a comfortable, confident grip, making the Auto Immunity an outstanding choice for everyday carry.
Measuring just 5.94 inches overall and weighing only 2.29 ounces, the 2900BK-1 is easy to carry without compromising cutting capability. Whether you’re opening packages, tackling precision work, or adding another Benchmade to your collection, the Auto Immunity is engineered for reliability and performance.
Automatic Knife Notice: Automatic knives are regulated by federal, state, and local laws. Please verify ownership and carry laws in your area before purchasing.
Features
- Genuine Benchmade Auto Immunity® 2900BK-1
- Auto AXIS® Lock automatic deployment
- Premium CPM M4 high-speed tool steel blade
- Black Cerakote® Wharncliffe blade
- Burnt Bronze anodized 6061-T6 aluminum handle
- Ambidextrous Auto AXIS® Lock
- Reversible deep-carry pocket clip
- Lightweight everyday carry design
- Compact, precision-focused Wharncliffe blade
- Made in the USA
Why You’ll Love It
- Premium CPM M4 steel delivers exceptional edge retention and cutting performance
- Compact size disappears in your pocket while remaining highly capable
- Auto AXIS® Lock provides fast, dependable one-handed deployment
- Burnt Bronze aluminum handle offers a premium look with lightweight durability
- American-made Benchmade quality backed by precision craftsmanship
Specifications
- Brand: Benchmade
- Model: 2900BK-1
- Series: Auto Immunity®
- Knife Type: Automatic Folding Knife
- Opening Mechanism: Auto AXIS® Lock
- Blade Length: 2.49 in.
- Blade Style: Wharncliffe
- Blade Steel: CPM M4 High-Speed Tool Steel (62–64 HRC)
- Blade Finish: Black Cerakote®
- Handle Material: Burnt Bronze Anodized 6061-T6 Aluminum
- Overall Length: 5.94 in.
- Blade Thickness: 0.09 in.
- Handle Thickness: 0.50 in.
- Weight: 2.29 oz.
- Pocket Clip: Reversible Deep Carry
- Country of Origin: USA
Specifications
About brand
Benchmade Knife Company, Inc. set-up shop in Clackamas, Oregon in 1990 (originally founded in California in 1988). The initial knives primarily consisted of the Bali-Song knives, using a combination of outside vendors and inside processing to build finished products. And like most companies, starting out meant scarce money and big plans, using second hand equipment and limited resources.
Soon, a natural born fortitude and an undying passion to make it right and make it Benchmade, prospered into significant growth. As the product line grew so did the in-house capabilities. We began to acquire new machines and technologies including the first of several lasers, making Benchmade the first knife manufacturer to have such equipment in-house. Open minds and positive attitudes would lead to several more industry firsts over the course of the next several years.
This was only the beginning of Benchmade's breaking of new ground in the manufactured knife markets by using non-traditional materials and modern manufacturing methods in not only building knives better but, inevitably building better knives. The Designer Series was first introduced in 1991 with several custom designs being manufactured. By tapping into the custom knife makers' knowledge and combining it with our manufacturing expertise we were more readily able to offer more contemporary knife designs and innovations to the knife users.
Consecutive years of aggressive growth led to the next logical step in 1996 when Benchmade moved into its own 35,000 sq. ft. facility. A contemporary styled building complete with all of the modern equipment and amenities necessary to manufacture what has become recognized as a higher standard of specialty cutlery.
Today, Benchmade Knife Company, Inc. manufactures knives for a loyal and ever growing following of knife users. As we move into the 21st century we are poised for even more exciting opportunities, innovations and ongoing total world-class quality. Here at Benchmade we employ a simple philosophy- 'Make it cool, make it solid, make it happen and definitely make it Benchmade.'
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