The Master Lock safety padlock is suitable for effective and secure lockout of isolations during maintenance, cleaning or repairs. The tough, lightweight Zenex™ Thermoplastic (TP) body withstands chemicals and performs effectively in extreme conditions. It is high security, reserved for safety cylinder – over 100,000 key changes and the key retaining ensures padlock is not left unlocked. Features a plated 6mm steel shackle for increased corrosion resistance.Lifetime warranty