General description Manufactured from hardened and tempered Chrome Vanadium steel with a blackened finish for rust and corrosion resistance, the Sealey AK7149 Premier Metric/Imperial T-Handle Hex Key Set is designed for durability and performance. This 14-piece set includes both Metric (2.5 - 10mm) and Imperial (3/8" - 1/8") sizes, making it versatile for various applications. The tough, composite handle features a rubberized comfort grip, allowing for extra torque to be applied to the fixing, ensuring ease of use during demanding tasks. Technical specifications Material: Hardened and tempered Chrome Vanadium steel Finish: Blackened for rust and corrosion resistance Set includes: 14 pieces (Metric 2.5 - 10mm and Imperial 3/8" - 1/8") Other information Includes storage holder for easy storage solutions Lifetime guarantee*