Features1.5MM 2.0MM 2.5MM 3.0MM Hex Screw includeDiameter of handle: 18mmTotal length: 195mmLength of handle: 90mmUsed for disassamble Hex Screw in helicoptor and other placeColor:Black Package includes:1x1.5mm Hex Key1x2.0mm Hex Key1x2.5mm Hex Key1x3.0mm Hex Key