Usage:Home DIY is_customized:No Model Number:Golden watch lid opener Type:Hand Tool Parts Origin:Mainland China Model:Golden watch lid opener Specifications:50mm /40mm Scope of Application:Home, watch repair Series:Watch lid opener watch repair tool two claw lid opener [Material] Metal [Weight] about 51G, no packaging [Length] 145mm, can open the back cover of the watch with a straight diameter less than 50mm and 6 indents. (Distance adjustable) Rotate counterclockwise until the back cover is rotated and removed. * It is recommended to measure the diameter of the back cover dial before purchasing, so as to avoid tool unavailability due to measurement errors.