Check the listing for details. 4" Round Post x 2 1/2" Round Gate Frame Premium Nylon Cantilever Roller. Condition: New. Listed at 95.00 USD. All Products | DF Supply, Inc. Product Information " alt="" /> " alt="" /> " alt="" /> Click on the Image to Enlarge zoom_in " alt="" /> " alt="" /> " alt="" /> 4" Round Post x 2 1/2" Round Gate Frame Premium Nylon Cantilever Roller Model: HD4R212R Key Features: Shaft Size: 1" Wheel Size: 7" diameter Designed to fit 4" post and 2 1/2" ( 2 3/8" OD) frames This nylon roller is quick and easy to install 4" Round Post x 2 1/2" Round Gate Frame Premium Nylon Cantilever Roller Product Details Product Details This 4" Round Post x 2 1/2" (2 3/8" Actual OD) Round Gate Premium Nylon Cantilever Roller Gate Roller For Sliding Gates is a state-of-the-art way to open sliding chain link gates. This nylon roller enables you to open your standard gates with ease. It also alleviates the stress on your gate opener, allowing for a quick and smooth opening.