Star Rear Brake Gear Adjuster 3MM Allen is a direct fit for the following:

1990-2005 Mazda Miata
1990-1994 Mazda 323
1993-2002 Mazda 626
1993-1997 Mazda MX-6
1990-2003 Mazda Protege
2002-2003 Mazda Protege5

Genuine Mazda Part Number: BW0H-26-733