TR40 Nickel Plated Key Blanks.  Same as ILCO X174.  Fits some Toyota vehicles.
Fits:
Daihatsu
Daihatsu Charade, 1988-1992
Daihatsu Rocky, 1988-1992
Hino
Various 1989-2004 models using key codes between:
G0001-G2377
T Rex
Various models, including backhoe locks.
Toyota
Toyota Corolla, 1981-1990
Toyota Cressida, 1989-1992
Toyota Echo, 2000-2002
Toyota MR2, 1991-1995
Toyota Small Pickup, 1989-1995
Same as:
Axxess 31
Cole TO40
Curtis TR-42
ESP TR40
Ilco X174
Ilco EZ TR40
Jet TR40
JMA TOYO-20D
Orion DT13L
Silca DH4R
Star TO4
Strattec 321726
Taylor X174