8MILELAKE Disc Brake Pad Installation Spreader Caliper Piston Spreader Tool Disc Brake Pad Installation Spreader Max Spread 3-1/4" Chemically blackened steel spreader plates. (2"x2-1/4") Each plates. Suitable for most ATE / Bendix / Delco / Brembe and Girling calipers. Fitted with tommy bar but can be used with 1/2 Sq drive ratchet wrench or spanner.