Gerber Superknife Edge, Black [31-000666] Combination of a convenient pocket knife and a utility knife Just press a button (that doubles as a thumb stud) and the blade can be released and replaced Use virtually any standard utility knife blade 0.016-Inch (1/64-Inch) extra thin blade to the 0.39 (1mm) contractor grade blade Features anodized aluminum handle, belt clip, and a stainless steel blade holder The design securely holds the blade in the knife under pressure