Material: Steel + Galvanized ironColor: Electroplate Color Features:WATER-PROOF BOLT CUTTER RESISTANT ANTI-CORROSION HAMMER RESISTANT Scope of application: Burglarproof door, safety door, iron gate, warehouse door and so on: 1Pcs LockOpen The Lock Mode: Universal key/Only key(1) key: The key can open different locks of an analogous type(Same key open an identical form lock)(2) key: The key only open a lock(Same key Not open a similar sort lock) Size:40/50/60/70/80mmWeight: 200/256/273/412/450gA) lock physique is electrophoresis technology, exquisite processing, chosen Steel + Galvanized iron because the leading raw materials casting) high functionality lock lever, steady performance, efficiently sell the ultimate effectC) use of stable thickening material, secure shock resistance, fine prevention of theft 1 lock physique and metal alloy shackle for maximum corrosion defense internal components product of brass and iron pin tumbler mechanism layers inner construction5 alike out there appearance, waterproof, anti-hydraulic shear, anti-violence,7 use of double-bar round the lock beam lock within the use of safe, reliable and durable core structure Each lock is equipped with 4 metal keys to the warehouse door, dormitory door Where to apply it:High security standards in different climatic conditions shackle is made of hardened steel alloy and is safe in an iron physique