... may be selected from any number of designs of , , handle sets and pulls); a , or a box keep, which lines the ... cylinder which operates the locking/unlocking function of the lock body. However, in the United Kingdom, and most other countries, ... : confirmed to Q/FLSJ02-2002 standardsdoor lock surface treatment: electroplating, spray paintproduct choice: Choose square axles, lock cores and screws as ...