(Pack Of 2) SB Distribution Ltd. Black Phenolic ABS Plastic Ball Knob Female | 3/8"- 13 Thread Pitch 15/16" Depth 1-3/8" Diameter, 1-1/2" Height W/Brass Coated Metal Insert Heavy Duty 1

(Pack of 2) SB Distribution Ltd. An excellent choice for user friendly applications Tapped insert: Brass, molded in Plastic ball knobs can be used on machine tools, jigs, fixtures, and a variety of other equipment . Highly recommended for Fitness Equipment Weight Stack Select PINS / KEYS