Features: *EL-10 Torque Range: 3/4/5/6/7/8/9/10NM,EL-20 Torque Range: 10/12/14/16/18/20NM *Made of high-quality chromium vanadium steel, quenched and hardened heat-treated to high hardness, wrapped in nylon, with good resilience, steel bits with high hardness *Purpose: According to the recommended torque, the screws are installed to the appropriate torque. *Designed for both mountain and road bikes, it's perfect for all levels of cyclists from beginners to pros. *Comes with common bits used on bikes, includes hex key, suitable for road, MTB and bike use. Specification: Material:Chrome vanadium steel. Color:black. QTY:1set. Size:15*4.8cm,17.3*5.2cm. Weight:119g,139g. Hexagonal bit: H3/H4/H5/H6/H8. Package Includes: 1 set bicycle torque wrench kit. Note: 1 The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Our products are made from high-quality, durable materials at affordable prices to meet your needs. Before placing an order, please verify product size and model to ensure compatibility and avoid unnecessary inconvenience. If you encounter any problems, please contact us and we will assist you until the problem is resolved satisfactorily. We value your feedback, whether positive or negative, after receiving the product. Every customer is entitled to a free refund or exchange for products with quality or damage issues.