Specification Brand : Garosa BulletPoint1 : This ball handle knob is made of plastic materiel, with long serving life BulletPoint2 : Threaded knob, is a good replacement for machine handle BulletPoint3 : Fine workmanship, polished surface, not easy to comfortable grip BulletPoint4 : This ball handle knob is easy to install, convenient for use BulletPoint5 : Widely used in video games, machine, combination machine tools, woodworking machine and printing, textile, food, mining, automobile and other fields, convenient ExternallyAssignedProductIdentifier : 4773174458538 ItemName : 12Pcs Black Threaded 40mm Diameter Round Handle Ball Knob for Machine Tools ItemPackageDimensions_Height : 8 centimeters ItemPackageDimensions_Length : 14 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : ball-knobs Manufacturer : Garosa ModelName : Garosamog08bs51x ModelNumber : Garosamog08bs51x PartNumber : Garosamog08bs51x ProductDescription : Specifications: Material: plastic Type: Ball Shape Diameter: 40mm/1.57inch Hole Thread Diameter: Weight:282g