Cisa 55mm Solid Hardened Carbon Nitrogen Steel Padlock Set of 2 Master Keyed Ideal for applications where you need to secure and re-inforce a barrier to entry. The completely hardened steel padlock makes it resistant to forceful attack. Features: - High Grade Corrosion Resistant - Carbon Nitrogen hardened steel body - 2 hardened stainless steel locking balls - 2 Carbon Nitrogen hardened steel drill resistant plates - Rubber bumper - Replaceable shackle - Key retaining: When the padlock is unlocked the key is retained inside and can only be removed once the shackle is re-locked - Pins are bronze making them highly resistant to wear and tear - Driver are made from special nickel plated brass alloy increasing internal corrosion resistance - 2 keys supplied per padlock Dimensions: - Padlock width: 55mm - Shackle Diameter: 11mm - Distance between shackle and padlock body: 25mm - Maintain with WD40 only - 10 year Guarantee