[DETAIL]<br>Description<br>Specifications:<br>100% Brand New And High Quality<br>Material: steel<br>Color: silvery<br>Size:<br>10 inch 20 thread，Length and width: 22.5 * 5.7cm<br>12 inch 20 thread，Length and width: 27.5 * 5.5cm<br>13 inch 20 thread，Length and width: 30 * 5.5cm<br>14 inch 20 thread，Length and width: 32.3 * 5.5cm<br>14 inch 40 thread，Length and width: 31.5 * 10.5cm<br>Conversion:1inch=2.54cm,  1cm=0.394inches<br>Warm Tip :<br>1.Please be reminded that due lighting effects, monitor's brightness/contrast settings etc, there could be some slight differences in the colour tone of the website's photo and the actual item.<br>2.Item Measure by hand, it could be 1cm different,your kind understanding will be much appreciated.<br>Package: 1Pc<br><br>[ATTRIBUTES]<br>- Is Batteries Included: No<br>- High-concerned chemical: None<br>- Size: 22.5-31.5 * 5.7-10.5cm<br>- Is Batteries Included: No<br>- High-concerned chemical: None<br>- Size: 22.5-31.5 * 5.7-10.5cm<br>- Model Number: Drum spring<br>- Origin: Mainland China