This is the Sargent C1007 CN Bump Key - 7 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:
L1007CD
L1007CH
L1007CM
L1007CA
L1007CB
L1007CC
L1007CE
L1007CF
L1007CG
L1007CJ
L1007CK
L1007CL

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