This is a tool that can be hiddens inside the crankshaft, which can be with you all the time. When you need it, you can have it right away.<br/>Features:<br />Easy to carry, just need to put in the hollow tooth plate, do not worry about forgetting to bring tools.<br />Universal heads adjustment, use more convenient, fast.<br />Adopt high strength chrome-molybdenum-steel material, not easy to wear.<br />High practicability, compatible with most discs.<br />Beautiful appearance, fine workmanship.<br/>Specifications:<br />Color: black, red, blue, green, purple (optional)<br />Not compatible with: The inner diameter of hollow central shaft is less than 21mm and aluminum alloy shaft<br />Material: metal<br />Item weight: 112g / 4.0ounce<br />Package size: 145 * 50 * 45mm / 5.7 * 2.0 * 1.8in<br />Package weight: 180g / 6.3ounce<br/>Packing List:<br />1 * Wrench