Beckson Knob Assem. 1/4x20 Black Pair Boat Letters & Numbers High gloss polished S/S UFO

High gloss polished S/S UFO can't be closed

while the larger sizes can be used as foredeck hatches on smaller to mid-size yachts

and has a one-speed

For use after Deks Olje D1 has been applied

Perfect for use as a becket when needed

Beckson Knob Assem. 1/4x20 Black Pair Boat Letters & Numbers High gloss polished S/S UFOThese are replacement twist knobs for Beckson portlights, but they could work on other manufacturer's portlights that use 1 4 20 threaded dogs. Not just for portlights, they can also replace knobs on roof racks for skis, Bimini tops, barbeques, and more anywhere a 1 4 20 threaded stud is used. Twist knobs have a stainless steel insert nut; twist knobs assemblies add a 1 4 20 SS toggle bolt and a portlight frame pin Both twist knobs and twist knobs