The Matco Tools 15/16" Truck Brake Socket, No. TBS1516, is extra deep to work on the 30/36 spring brakes for cars, CCC style dump trucks, garbage trucks with MGM brakes and other 15/16" deep applications. This socket can be used to remove fuel tank saddle clamps, headache rack U-bolts and S-cam bracket caging bolts. The socket is forged from alloy steel, is heat treated and can be used with 1/2" drive impact wrenches.