G 273972 Keyhole Lock Set 754920 Bathroom Set H 833445 Bathroom Set I 208698 Euro Lock Set J 350117 Oval Lock Set
57 57 57
What do centres mean? It's the measurement in millimetres taken between the centre of the spindle & the top centre of the keyhole/cylinder cutout. 57mm is standard for UK keyhole locks & bathroom locks; 47.5mm is standard for UK Euro cylinder locks; 48.5mm is standard for oval cylinder locks.