Brady's blue key-retaining steel padlock has a three inch reinforced laminated steel shackle and is keyed different. The hardened steel body withstands severe physical abuse and tampering. It is also offers individually coated body plates that provide superior rust protection and corrosion resistance. This padlock is sold individually, but is available in packages of six and in a variety of different colors, including black, green ,purple, red, orange, yellow and brown.