Descriptions: This ball handle knob is made of high quality plastic materiel, with long serving life.Widely used in video games, machine, combination machine tools, woodworking machine and printing, textile, food, mining, automobile and other fields, convenient operation. Features: This ball handle knob is made of high quality plastic materiel, with long serving life. Threaded knob, is a good replacement for machine operation handle. Fine workmanship, polished surface, not easy to comfortable grip. This ball handle knob is easy to install, convenient for use. Widely used in video games, machine, combination machine tools, woodworking machine and printing, textile, food, mining, automobile and other fields, convenient operation. Specifications: Material: plastic Type: Ball Shape Diameter: 35mm/1.38inch Hole Thread Diameter: M10 Weight:175g Package Included: 6 x Machine Handle Knob 1、This ball handle knob is made of high quality plastic materiel, with long serving life 2、Threaded knob, is a good replacement for machine operation handle 3、Fine workmanship, polished surface, not easy to comfortable grip 4、This ball handle knob is easy to install, convenient for use 5、Widely used in video games, machine, combination machine tools, woodworking machine and printing, textile, food, mining, automobile and other fields, convenient operation