Exercise Equipment Repair Parts
1-3/8" O.D. Ball Knob (1/4-20 Female Thread) - OD is OVERSIZED for 1/4-20 Thread
1-3/8" O.D. Ball Knob (1/4-20 Female Thread) - OD is OVERSIZED for 1/4" ThreadOutside Diameter: 1-3/8" nominal - 1.350" actual measured
The outside diameter of this ball knob is the same as what you would normally see on a 3/8-16 ball knob. This larger OD will allow a better grip on 1/4" Weight Stack pins, etc....
Thread: 1/4-20 Coarse Thread
Female Insert is made of brass and molded into knob
Material: Black Phenolic