One each of the sockets listed below comes in a convenient storage box. The metric sizes work on the import truck Budd wheels, and the 1-1/2" hex is for American-made trucks with dual rear wheels. Extra deep design lets you remove both nut and stud with just one socket. Useable with a 1" square drive impact wrench. Contents: No. 1945A -1" 35mm hex; No. 1946A -1" 38mm hex; No. 1947A -1" 41mm hex; No. 1948A -1" 33mm hex; No. 1949A -1" 1-1/2" hex.