Rolling Cantilever Slide Gate Hardware Set, For 3" post, Chain Link Fence Gate Rolling Cantilever Slide Gate Rollers for 3" Post, 2-3/8" OD Chain Link Fence Gate Frames. Galvanized Steel Industrial Cantilever Roller for Rolling/Sliding Chain Link Pipe Gate Frames Cantilevered, Sliding, Rolling Gate Rollers, Roll Smoothly and Securely for Years of Service Cantilevered Gate Roller Assembly has Adjustable U Shaped Bolts Designed for Easy/Sturdy Attachment Rolling/Sliding Gate Wheels are made of Galvanized Cast Iron for Long Gate Hardware Life