100% New and High Quality!!! <br /><br />Colour:blue，red，silver，yellow<br />         <br />Material: plastic<br /><br />Size: Ball Bearings: 3，Gear ratio: 5.1:1，Winding quantity:(mm/m):0.18/145 0.20/200 0.25/125 (Only for reference)<br /><br />Package Content:1pc