This is the Sargent N1007 RMB Bump Key - 5 Pin
We're offering this key in NICKEL SILVER form.  Nickel silver (same material as our SC19 and SC20) is a stronger metal that's perfect for this long key.
It has been machine manufactured to the deepest factory setting.

This is ia MATER KEY and will fit into the following keyways:
1007RDH
1007RDM
1007RHM
1007RD
1007RH
1007RM
1007RA
1007RB
1007RC
1007RE
1007RF
1007RG
1007RJ
1007RK
1007RL

This is a MACHINE CUT Key.
Cut from a high grade key blank, and not from a recycled key!