TTRProduct InfoSHORT ARM TAPER HEAD HEX KEY WRENCH Sizesmm:1.5 2 2.5 3 4 5 6 8 10inch:1/16 5/64 3/32 1/8 5/32 3/16 1/4 5/16 3/8Long portion wrench head : Taper HeadLength Type : StandardSurface treatment : EL/ARMOUR plated