Specifications Benchmade 912 Nitrous Stryker Series Blade Length: 3.70" Blade Thickness: 0.125" Handle Thickness: 0.480" Blade Material: D2 Tool Steel Blade Hardness: 60-62HRC Blade Style: Modified Tanto; Ambidextrous Thumb-Stud Weight: 3.80oz. Clip: Lock Mechanism: Modified Locking-Liner w/ Nitrous Spring-Assist Overall Length: 8.25" Closed Length: 4.68" Sheath Material: Sold Separately Class: Black The Stryker with a boost. With the Nitrous assist opening mechanism, one of your most cherished knives just got better. The Nitrous mechnism is built directly into the liners, which propels the blade open with ease. We also upgraded to more tactile G10 handle scales, thumb studs an an overall cool new look. Superior Quality D2 Tool Steel Double Titanium Locking-Liners G10 Textured Handle Scales Two Blade Style Options (See the Modified Spear-Point version, Model 913) Nitrous Assist Opening Mechanism Country of origin: USA