Optional 2-3/8" backset: 1" X 2-1/4" faceplate

To Rekey American / Master Padlocks you do not need a follower

Tools Included in this kit:

Strike Standard "T" strike (9106)

040" / 1mm diameter) and 1 spiral blade (

1 1/2" Threaded Adapter Ring for Jumbo Mortise Cylinders 1974-AMC-AMX Optional 2-3/8" backset: 1" X1 1 2" Threaded Adapter Ring for Jumbo Mortise Cylinders If you are dealing with a jumbo cylinder and haven't had any luck finding a replacement, this adapter ring is exactly what you need. Just purchase this adapter ring and a 1 1 8" mortise cylinder here and you will have everything you need to get the job done!