Check the listing for details. 4" Round Post x 2" Square Gate Premium Nylon Cantilever Roller Gate Roller. Condition: New. Listed at 105.00 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" Square Gate Premium Nylon Cantilever Roller Gate Roller Model: HD4R2S Key Features: Shaft Size: 1" Designed to fit 4" round post and 2" square gate frames Wheel Size: 7" diameter This nylon roller is quick and easy to install 4" Round Post x 2" Square Gate Premium Nylon Cantilever Roller Gate Roller Product Details Product Details This 4" (4" Actual OD) Round Post x 2" Square 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.