Frost Cutlery Skull Linerlock A-O knives FCP456WSC on sale now for $5.37. UPC code 026615957065. Type: Assisted Opening; Closed: 4.5"; Blade: 3" l 440A Stainless l Standard Edge l Black Finish; Handle: Camo l Aluminum; Other Info: Extended Tang l Lanyard Hole. Hang Packaged.