Reid Supply Ball Knob; Round Mushroom, Threaded MPB-9

Ball knobs can be used to simply grip an appliance or provide ergonomic clamping pressure in a variety of ways. Ball knobs are commonly found on machine tools, jigs, fixtures, and control levers, or used as replacement parts to have on hand. Our ball knobs come in a variety of shapes and materials from leading suppliers of industrial knobs, including DimcoGray, Elesa, and Kipp. Shop for ball knobs online or in our digital catalog to ensure you get the exact part you’re after. . Phenolic Round Mushroom Knob has a 1.250 in diameter and 1/4-20 Threaded Insert. The mushroom design provides a comfortable grip.