Zoo Hardware 3 Lever 76mm Deadlock This Zoo Hardware 3 Lever 76mm Deadlock is the perfect replacement for the Union 2177M Series Deadlock. This 57mm backset lock has a solid brass deadbolt and is supplied complete with 2 keys. Should you wish to buy the locks keyed alike then please give us a call. 76mm Case Size 57mm Backset Solid Brass Deadbolt Retro Fit UK Replacement Lock Set of ZZ301-400 Keys for Horizontal and Replacement Locks included Dimensions
