General description This is a set of 25 combination hexagon keys, including both metric and imperial sizes. The set features thirteen standard-length metric keys and twelve long-reach imperial keys, suitable for a variety of DIY and home improvement tasks. The tools are made from durable chrome vanadium steel, which is hardened and tempered for strength and longevity. They are stored in a convenient vinyl roll for easy organization and transport. Technical specifications Number of pieces: 25 Material: Chrome vanadium steel, hardened and tempered Storage: Vinyl roll Metric keys: 1.5mm, 2.0mm, 2.5mm, 3.0mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm, 7.0mm, 8.0mm, 9.0mm, 10.0mm Imperial keys: 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8" Compatibility and accessories Compatible with standard hexagon fasteners Suitable for use in various DIY, automotive, and home repair projects Installation No installation required; tools are ready to use straight from the vinyl