UltraSource Non-Conductive Padlock for Lockout/Tagout, 1.5" Shackle, Blue Solid aluminum body identifiable by non-conductive colored covers and plastic coated shackles provide intrinsically safe protection Special cylinder size designed for lockout/tagout safety applications Standard 6-pin brass cylinder Plastic coated aluminum body is lightweight, non-sparking, and dielectric Includes one chrome plated brass key