SuperKnife SK2 Black. 3 7/8 closed linerlock. Holds standard and contractor grade utility blades. Patented blade changing system that requires NO TOOL. Black anodized aluminum handles with stainless pocket clip. Lanyard hole. Hang packaged Features 2.39 in. blade of stainless steel with a black anodized aircraft aluminum handle that has a lanyard hole conveniently located on the bottom. 3.88 in. closed; 6.25 in. overall. The SK2 is made for larger hands and is slightly a bit longer than the Super Knife. It is a patented hybrid of a quality pocket knife and functional utility knife. The blade can be removed and replaced with virtually any thickness utility knife blade by a small twist of the roundel located on the top side of the knife.