Genuine Carling Technologies dress nuts for use with full size toggle switches and footswitches. These nuts are made of a strong durable plastic and feature a chamfered edge with a knurled bottom half for a unique look that is simple to tighten down. The top of the threading is not capped so they can thread past the top of the bushing. These fit any 15/32-32UNS bushing but can also work with M12 bushings.