Descriptions: _x000D_ 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. _x000D_ _x000D_ _x000D_ Features: _x000D_ This ball handle knob is made of high quality plastic materiel, with long serving life. _x000D_ Threaded knob, is a good replacement for machine operation handle. _x000D_ Fine workmanship, polished surface, not easy to comfortable grip. _x000D_ This ball handle knob is easy to install, convenient for use. _x000D_ Widely used in video games, machine, combination machine tools, woodworking machine and printing, textile, food, mining, automobile and other fields, convenient operation. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Material: plastic _x000D_ Type: Ball Shape _x000D_ Diameter: 40mm/1.57inch _x000D_ Hole Thread Diameter: M12 _x000D_ Weight:282g _x000D_ _x000D_ _x000D_ Package Included: _x000D_ 6 x Machine Handle Knob 1This ball handle knob is made of high quality plastic materiel, with long serving life 2Threaded knob, is a good replacement for machine operation handle 3Fine workmanship, polished surface, not easy to comfortable grip 4This ball handle knob is easy to install, convenient for use 5Widely used in video games, machine, combination machine tools, woodworking machine and printing, textile, food, mining, automobile and other fields, convenient operation