Prime-Line 7/8 in. D X 0.25 in. L Zinc-Plated Nylon/Steel Roller Assembly 2 pk

This tandem roller assembly is constructed from nylon. It features an adjustable top mount design with round edge nylon wheels with a 1/2 in. nut. It fits Acme and other similar styled doors that are 3/4 in. to 1-3/4 in. thick.