Columbia River Knife & Tool - Standard Edge Large Lift Off Linerlock Knife with Black Textured Zytel Handles: Model CR-6830. 4 3/4" closed interframe linerlock. Standard edge AUS-8 stainless hollow ground drop point blade with swedged top edge and thumb stud. OutBurst assisted opening with Fire Safe mechanism. When closed, the blade is safely locked by the Fire Safe pin. It cannot be opened until the safety button on the end of the thumb stud is firmly depressed and the thumb stud is nudged outward. Textured black Zytel handles. Front handle features a stainless insert with arrow cutout pattern. Stainless pocket clip. Made in Taiwan.