This sliding patio door roller assembly is constructed from nylon. It features a 1-1/2 In. ball bearing roller with an adjustable steel housing. This style roller assembly is used by Better-Bilt and other patio door manufacturers.

This sliding patio door roller assembly is constructed from nylon. It features a 1-1/2 In. ball bearing roller with an adjustable steel housing. This style roller assembly is used by Better-Bilt and other patio door manufacturers.