Mozeat Lens 30 Pack 1/4-20 Knob 6 Star Knobs 1/4 Inch 20 Threaded Female Hexagon
Manufacturer Mozeat Lens. 30pcs 1/4-20 Female Threaded Hexagon Head Thru Knob. Well Made: Each 1/4-20 knob has a brass insert that molded in a plastic knob. The thru knobs have enough threads that are intended to thread on a bolt to clamp them together.