Dimensions: Body: 38 x 44mm. Shackle: 38mm length x 20mm clearance. The Masterlock Zenex(tm) Lockout non-conductive padlocks have dielectric protection and are non-sparking, with either a composite nylon, hardened steel or stainless steel shackle. They are the optimal safety padlock, designed exclusively for a Lockout/Tagout system. They are durable, standardised, substantial and identifiable for OSHA 1910.147 compliance. The lockout padlock has a Zenex(tm), UV stable composite body and 6mm diameter composite nylon or 4.76mm stainless steel shackle, it is corrosion and chemical resistant and can withstand temperatures ranging from -57 C to 177 C. The body sides and faces can be laser-engraved for permanent identification. Includes 'Danger' and 'Property of' padlock la.