Designed specifically for everyday carry, the CRKT M40 Folding Knife with Deadbolt Lock features a 1.4116 steel blade, with a glass-reinforced nylon and aluminum bolster handle. The lightweight M40 features the highly dependable Deadbolt locking mechanism for a dependable hold. This folding knife boasts a flipper opening with an exceptionally smooth IKBS ball bearing pivot system for quick, dependable deployment. 1.4116 steel blade construction Glass-reinforced nylon handle onlay 6063 Aluminum handle bolster Deadbolt locking mechanism Flipper opening IKBS ball bearing pivot system