10 Pc. T-handle Hex Key Wrench Set, 9 Inch Length Handle Metric Hex Key wrench set is heat treated extruded alloy steel, with black oxide finish for durability. Hex Key wrenches T-handle design increases turning power and provides a sure comfortable grip. Plastic-cote handles have size stamped on each wrench. All wrenches in the set are the same 9" length. Includes sizes: 2mm, 2.5mm, 3mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 8mm, and 10mm.