Features 1、100% brand new and high-quality. 2、Smooth surface and no burrs and it is made of primary molding technology production. 3、Fine workmanship: we pay attention to every manufacturing link of the product and the product has gone through multiple rigorous and meticulous procedures with fine craft. 4、Fine touching feel and flexible operation,strong and burly. 5、Increase aluminum buttonhole: convenient fixation, not rust, firm and strong. Specification Features: 100% brand new and high-quality. Smooth surface and no burrs and it is made of primary molding technology production. Fine workmanship: we pay attention to every manufacturing link of the product and the product has gone through multiple rigorous and meticulous procedures with fine craft. Fine touching feel and flexible operation,strong and burly. Increase aluminum buttonhole: convenient fixation, not rust, firm and strong. Specification: Application:Ship machine tools;engineering machinery;automobile casters and etc Screw Type:M10*1 Package List: 10*Grease Nipple Package List