H51 Nickel Plated Key Blanks.  Same as 1167FD.
Fits:
Ford
Ford 6000, 1980-1985
Ford 9000, 1980-1985
Ford Bronco, 1982-1991
Ford Bronco II, 1982-1991
Ford CF7000, 1980-1985
Ford Club Wagon, 1980-1991
Ford Cobra, 1981-1993
Ford Crown Victoria, 1981-1989
Ford Econoline, 1980-1991
Ford F-150, 1980-1991
Ford F-250, 1980-1991
Ford F-350, 1980-1991
Ford Ranger Pickup, 1980-1992
Ford Tempo, 1983-1986
Ford Transfer, 1980-1985
Ford Van, 1980-1991
Glass Ply
Various boat locks.
Hummer
Hummer H1, 2000-2004
Lincoln
Lincoln Mark Series, 1967-1984
Mercury
Mercury Capri, 1983-1986
Mercury Grand Marquis, 1981-1989
Mercury Topaz, 1983-1986
Ride Guild
Various boat locks.
Peterbilt
Various models.
Sterling
Various 1998-2004 models.
Same as:
Axxess 23
Cole H33
Curtis H-51
Dominion 167FD
ESP H51
Hata H-51-HN
Ilco 1167FD
Ilco EZ H51
Jet H51
JMA FO-21D
Orion FD24
Silca FO6, F06
Star HFD10
Strattec 321207
Taylor P27