*metal shafts,rotating shaft *Model#: xwy-81 *Use for the rotate connection parts of printer, copy machine, fax machine, toys 1. metal shafts, ... rotating shaft, axis of rotation, revolving shaft, moment axis, precision parts, hinge2.Model#: Xwy-813.material: ... be customized to meet client's requirements. rotating shaft/ metal shaft/ precision parts/automatic lathe parts