Scan Weatherproof Laminated Steel Padlocks are manufactured using individually galvanised plates with a case hardened steel shackle. They are designed for use where a higher level of security is required. Each lock features a high strength, brass cylinder mechanism that is accurately machined, durable and rust resistant and has a stainless steel shackle spring. The padlocks are protected from the elements with a full plastic cover on the body, lock and shackle. Each padlock is supplied with 3 keys. This Scan Weatherproof Laminated Steel Padlock has the following specification: Padlock Width: 45mm.Shackle Height: 20mm.Shackle Diameter: 7.5mm.Shackle Width: 20mm.Security Rating: 6.