1000 CO1 Nickel Plated Key Blanks. 5 Pin.
Fits:
Action
Various padlocks.
AMF
Various bike locks.
Corbin
Various products using key codes between:
2A0000-2A9999
2A00000-2A99999
3B00000-3B99999
4A0000-4A9999
SFB01-SFB50
LaBelle
Various products.
LL
Various desk locks and padlocks.
Shur-Lock
Various CB radio locks.

Same as:
Cole CO1
Curtis CO-1
Dominion 00
ESP CO1
Ilco 1000
Ilco EZ CO1, C01
Jet CO1
JMA COR-82
Original X1-99-5
Silca CB45R
Star 5CO3
Taylor 20