These sockets work on import and domestic truck Budd wheels; extra deep design lets you remove both nut and stud with just one socket; can be used with a 1 inch square drive impact wrench Includes most popular metric sizes for front and rear wheels of Isuzu, Hino, Mitsubishi Fuso, and other import trucks as well as an SAE socket for American made trucks with dual rear wheels Includes: 1945A – 35mm hex socket with 17mm sq.; 1946A – 38mm hex socket with 20mm sq.; 1947A – 41mm hex socket with 21 mm sq. 1948A – 33mm hex Budd wheel nut socket for Mack Midliners, White Volvo, and other import trucks w/dual rear wheels 1949A – 1-1/2 inch hex Budd with 13/16 inch square wheel socket for American-made trucks with dual rear wheels; included blow molded case keeps sockets contained and organized