Description This set includes 30 hexagon keys made from hardened and tempered chrome vanadium steel. The long arm design allows for easier access in confined spaces, with lengths ranging from 65mm (0.7mm/0.028") to 170mm (10mm/3/8"). The set is packaged in a durable plastic case for convenient storage and organization. Technical Specifications Material: Chrome vanadium steel, hardened and tempered Number of pieces: 30 keys Key sizes: 15 metric (0.7mm to 10mm), 15 imperial (0.028" to 3/8") Long arm length: 65mm to 170mm Compatibility and Accessories Suitable for use with various fasteners requiring metric or imperial hex keys Includes a plastic case for storage and transport Installation No installation required; simply select the appropriate size key for your fastener Usage Use the hex keys to tighten or loosen hexagonal fasteners in automotive, machinery, or household applications The long arm provides extra reach in tight or hard-to-access areas Other Information Manufactured by