Padlocks Type: High Security Padlocks / 80mm. Disc padlock from Master Lock. Corrosion-resistant stainless steel disc lock. Extra hard, cut-resistant boron carbide shackle with 4-pin cylinder, dual ball bearing locking and covered keyway. Supplied with 2 keys. Disc protects shackle offering higher security. Specifications: Body W x H x Th: 80 x 79 x 28mm. Max. shackle W x H: 31 x 30mm. Shackle dia: 11mm. Weight: 0.45kg.