Bovidix 6030209 Hex Key Set, Metric - Short, 9-Piece Chrome molybdenum steel, chrome finish Precision manufacturing provides better fit for each size, prevents damage to fasteners and the tool The set includes the most optimal sizes to for most applications Includes molded plastic holder that can be used as a handle for additional torque and better control Size: 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10mm. Length 2 - 4 Inch