With the Kool Tool Belt you are always prepared. The Kool Tool Buckle is a wearable multi-tool that makes field repair easy. 3CR13 steel buckle with a stonewash finish. Double back to lock. Sizing: Medium 38???, Large 42???. Tools included: two flat head screwdrivers, Phillips head screwdriver, standard nut wrench, metric nut wrench, bottle opener, wire stripper in three sizes, two mini rulers, metric & standard.