Description générale This set of metric hex keys is designed for versatile use in home, garage, or workshop projects. Made from durable chrome vanadium steel, these tools are hardened and tempered for strength and longevity. The set includes ten different sizes, providing a comprehensive solution for various fastener sizes. The tools are stored in a sturdy steel case for easy organization and protection. Spécifications techniques Material: Chrome vanadium steel Number of pieces: 10 hex keys Sizes included: 3 x 124 mm, 4 x 138 mm, 5 x 158 mm, 5.5 x 168 mm, 6 x 178 mm, 8 x 197 mm, 10 x 221 mm, 12 x 248 mm, 14 x 278 mm, 17 x 318 mm Case dimensions: 37.4 x 16.7 x 4.5 cm (L x W x H) Color: Blue and black Compatibilité et accessoires Compatible with standard metric hex fasteners Includes a durable steel storage case for organization Installation No installation required. Simply select the appropriate size hex key for your fastener and use as needed. Utilisation Use the hex keys to tighten