L88 Series - Brass lock body: solid brass shackle: chrome-plated hardened steel locking mechanism: bolt or ball, single or double locking available subject to size/ style tumbler pin: 4-pin or 5-pin available, depends on size key inserted on the side 2 brass keys provided: brass or nickel-plated for your choice size: 30mm, 40mm, 50mm, 60mm