... 22pcs 1/2 " DR metric socket: 8, 9, 10, 11,12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 ... , 24,26, 27,28, 30,32mm1pcs: 1/2” 5" extension bar1pcs: 1/2 ”10 ... " extension bar1pcs: 1/2” 10” L joint shaft1pcs: 1/2" speed ... 7. All dimension precision to meet industry specification.8. Comfortable appearance design and safe packing design. ...