• Sizes(mm): 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24 • Drive size: 3/8"(8-19mm), 1/2"(21-24mm) • Material: Chrome Molybdenum Steel (Cr-Mo) • Package type: Blow mold case • Product size(WxDxH mm): 235x300x50 • Product weight(kg): 1.47