General description This Draper 10-Piece Imperial Hexagon Key Set is designed for precision automotive and mechanical use. Made from high-quality chrome vanadium steel, these hex keys are hardened and tempered for enhanced durability. The set includes 10 different sizes, all conveniently stored in a plastic holder for easy organization and access. Technical specifications Material: Chrome vanadium steel, hardened and tempered Number of pieces: 10 hex keys Sizes: 1/16", 5/64", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8" Compatibility and accessories Compatible with standard hex screw heads Includes a plastic storage holder for organization Installation No installation required; simply select the appropriate size and use with compatible screws Usage Ideal for assembling, repairing, and maintenance tasks involving hex screws Ensure the correct size is used to prevent stripping or damage