A1001AH CO91 key blanks fits Corbin locks and others.
Replaces ILCO A1001AH. 6 Pin. 59A1 section
Various key blank manufacturers may call this key by a different part number.
Some examples are:
Curtis CO-91
Dominion U01A1
ESP CO91
Ilco A1001AH
Ilco EZ CO91, C091, CO91-BR, C091-BR
Jet CO91
JMA COR-63
Original Z1-59A1-6
Silca CB33R
Taylor A22A1