Topaz 1/2" x 11/16" Nylon Knockout Bushing (Box of 100)

Topaz’s knockout bushings, constructed of lightweight, corrosion proof, strong 6/6 nylon are suitable for use with electrical knockouts. Ideal for fast and easy snap in installation into a knockout in a box or enclosure with vacancies from maintenance or modifications. Smooth rounded surface enables easy wire pulling. Resists wear, abrasion and damage from vibrations; capable of withstanding a push back force of greater than 35 pounds. Diameter sizes from 3/8" up to 3-7/8", KO sizes from 1/2" to 3-1/2"; available in black. UL recognition. Product Features For use in mounting panels up to 1/4" thick, convert raw edged holes to smooth, neat, insulated holes Insulate and mechanically protect electrical and telecommunications cables, tubing, hose, rope and utility lines Locking fingers snap into holes with fingertip pressure