The Kershaw Blur puts an olive anodized 6061-T6 aluminum handle front and center, with Trac-Tec inserts worked into the handle surface. That olive treatment sits against the black Cerakote-coated blade, making this the olive-and-black Blur in Ken Onion’s folding-knife design.At a Glance Blade: 3.4 in 14C28N Recurve plain edge Opening: Thumb Stud (spring assisted) Lock: Inset liner lock Handle: 6061-T6 aluminum, Trac-Tec inserts (Olive) Size / Weight: 4.5 in closed, 3.9 oz Carry: Reversible (right, tip-up / down); Right, Tip-Up/Tip-Down Kershaw Blur The 3.4-inch recurve blade uses 14C28N steel and has a plain edge. A push on the thumb stud engages the spring-assisted opening, while an inset liner lock secures the blade when open. This Blur is made in the USA.Good to Know The reversible pocket clip stays on the right side and supports either tip-up or tip-down carry.Specifications Model Blur Manufacturer Part Number 1670OLBLK Country of Origin USA Knife Type Folding Knife Action Spring Assisted Blade Style Recurve Blade Length 3.4 in Blade Thickness 0.121 in Blade Steel 14C28N Blade Hardness 58-60 HRC Blade Finish Cerakote Edge Type Plain Overall Length 7.9 in Closed Length 4.5 in Handle Thickness 0.47 in Handle Material 6061-T6 aluminum, Trac-Tec inserts Handle Color Olive Weight 3.9 oz Lock Type Inset liner lock Opening Mechanism Thumb Stud Pocket Clip Reversible (right, tip-up / down) Clip Position Right, Tip-Up/Tip-Down Designer Ken Onion