MASTER USA MU-A050BK SPRING ASSISTED KNIFE, 4.5'' CLOSED Item #: MU-A050BK The Master USA Stealth Black Rescue AO Knife features polymer grips, seat belt cutter, glass breaker, thumb stud, assisted opening, along with all the other great features of a Master USA quality folding knife. The 3CR13 steel alloy blade is clip point with a very sharp edge and triple hole cutouts. Has removable pocket clip. Specifications Overall Length: 8 Inches Blade Length: 3.5 Inches Blade Material: 3CR13 STEEL Alloy Blade Thickness: 3mm Blade Finish: All Black Handle Length: 4.55 Inches Handle: Polymer, Black, with Texturing Features: Glass Breaker, Seat Belt Cutter, Pocket Clip