Arlington 4400 1/2″ All Plastic Snap-in Type for Knockouts

Arlington 4400 1/2″ All Plastic Snap-in Type for Knockouts The Arlington 4400 is a ½” trade-size, all‑plastic snap-in bushing designed to protect cables and conductors as they pass through knockout holes in metal studs, conduit bodies, and junction boxes. Its smooth inner bore helps prevent wire abrasion, and installation is quick—simply snap it into the knockout. Made in the USA, UL and CSA listed, and RoHS compliant. It measures approximately 1.14″ ø by 0.505″ depth and weighs about 0.004 lb each.