Description Report Item English system Hex Wrench Hex Key set Repair Tool Screwdriver Alloy Hex Keys Metric Allen Wrench Diameter((Diameter*Width* length ): 1.588mm = 1/16*17*47 1.984mm = 5/64*17*51 2.381mm = 3/32*20*60 2.778mm = 7/64*22*60 3.175mm = 1/8*22*60 A 3.572mm = 9/64*20*60 B 3.572mm = 9/64*22*65 3.969mm = 5/32*21*70 4.763mm = 3/16*25*70 5.556mm = 7/32*30*79 6.35mm = 1/4*34*90 Color: silver , Black Material: Alloy steel Weight: 1-20G