this dewalt mechanics tool set equips you with everything you will need for the job. this mechanic set is ideal for the professional on the job/ home use that wants to get the job done right. whether you are on the jobs site tightening lag bolts or in the automotive shop repairing a car, this product offering will provide you with the tools you need to complete your task. product details: 2 1/4" driver tools, (1) spinner handle, (1) bit adaptor, 26 3/8" driver tools, (1) 72 tooth pear head ratchet, (1) extension bar- 3", (1) extension bar- 6", (13) 6 pt sockets-mm 7-19, (9) 6 pt sockets-sae 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, ¾, (1) spark plug socket 5/8, 22 bits