5" diameter pipe. Made of heavy duty marine grade vinyl with wear resistant center axle bushing. Wheels can be placed over standard 1.5" diameter pipe for use as free floating boat guides or can be mounted to any custom dock bracket which uses 1.
.WC Welded Hydraulic Cylinder: 4 Bore x 10 Stroke - 2 Rod Every Chief WC cylinder is functionally tested and pressurized to 1.5 times the normal working pressure to ensure performance reliability.