Using SOG's patented assisted opening technology, the Zoom full size Satin Plain Edge is quick to open and a pleasure to hold. The aluminum handle on this model makes the knife lightweight and versatile. SPECS: Product Type Folding Knife Finish Satin Polished Blade Shape Drop Point Edge Type Straight Blade Steel Type AUS-8 Stainless Steel Hardness Rc. 56-58 US Standard . Overall Length 8.3" Closed Length 4.7" Product Weight 4.00 oz Blade Length 3.6" Blade Thickness 0.1"