Columbia River Knife & Tool - Large Lake 111 L.B.S. Safety Lockback Knife with Plain Edge Blade & Zytel Hanldes: Model CR-7255Z. 4" closed. Standard edge blade. 8Cr13 stainless blade with dual thumb studs. Features the Lock Back Safety (L.B.S.) button which locks the blade in the open or closed position. Textured black Zytel handles. Stainless pocket clip. Made in Taiwan.