Application: Robust locking solution combining padlock and hasp in one unit to prevent loss. Options :Key retaining . Non-retaining (special order) . Dust cover. Drill protection . Welded or bolted Materials: Body: hardened steel investment casting Bolt: 13 mm, hardened, non-removable Cylinder mechanism : Mul-T-Lock's unique, high-precision pin tumbler system. Pick and drill resistant for High Security needs. Keys Reversible nickel silver key with plastic key head and colored insert. Also available in all nickel silver.