The original Zero Tolerance 0454 was an award-winning collaboration between ZT and custom knife designer Dmitry Sinkevich. But it was also a very Limited Edition knife. To make this amazing knife more readily available, ZT created a version based on the original s streamlined form and high-performance function. From office to outdoors, the 0452CF is ready to go wherever you're ready to take it. Product Features Made in the USA Based on an award-winning design; same size as original, but with a carbon fiber front scale and S35VN with two-tone blade finish S35VN steel sharpens to a razor edge, holds it, and can be resharpened easily; blade opens with KVT ball-bearing system Carbon fiber front scale with stonewashed titanium back; secure frame lock 5-spoke pivot hardware with two-tone finish; deep-carry pocketclip Blade Style Drop Point Blade Edge Plain Opening Action Manual KVT ball bearings Opens With Flipper Lock Type Titanium frame lock, hardened steel lockbar insert Pocketclip Reversible deep-carry (right/left, tip-up) Hardware Steel pivot and pocketclip, green anodized tupe Extras Lanyard hole, custom pivot cap Product Specifications Blade Steel CPM S35VN Blade Length 4.1 in. (10.4 cm) HRC 60 62 Blade Finish/Coating Stonewashed and satin finish Blade Thickness 0.156 in. (0.396 cm) Closed Length 5.2 in. (13.2 cm) Handle Material Black gray carbon fiber front, titanium back Handle Color Black & Silver Handle Finish/Coating Stonewashed finish back Handle Thickness 0.5 in. (12.7 mm) Overall Length 9.3 in. (23.6 cm) Weight 4.3 oz. (122 g)