General description This Draper Expert 17-Piece Metric Hexagon Key Set is designed for automotive and mechanical use, providing reliable tools for various DIY and home improvement tasks. The set includes two types of holders for convenience: a fold-out holder with long and short arms and a pocket-sized holder with straight arms and a non-slip grip. Technical specifications Material: Chrome vanadium steel, hardened and tempered Number of pieces: 17 Set includes: 8-piece fold-out set with long and short arms: 1.5mm, 2.0mm, 2.5mm, 3.0mm, 4.0mm, 5.0mm, 5.5mm, 6.0mm, 8.0mm 9-piece pocket set with straight arms: 1.5mm, 2.0mm, 2.5mm, 3.0mm, 4.0mm, 5.0mm, 5.5mm, 6.0mm, 8.0mm, 10.0mm Compatibility and accessories Compatible with standard hex screws and bolts Supplied with two types of holders: fold-out and pocket-sized with non-slip grip Installation No installation required; tools are ready to use out of the packaging. Usage Use the appropriate size hex key for your screw or bolt Insert the