Heavy Duty Cantilever Gate Wheel Hard Plastic Full 7" Diameter - Steel 23/8" Gate Frame to 4" Round Post Includes Protective Cover Cast Iron Hot Dip Galvanized Round gate frame and 4" round post For 2-3/8" Includes heavy duty Nylon washers covering to protect rollers bearings in all weather conditions New, improved heavy design ---- ****  Extreme weather resistance Galvanized metal components for long lasting performance. 7" diameter High Strength Graphite Impregnated Polymer provides smooth operation. 1-1/8" axles and heavy duty bearings. Includes ABS Cover for protection of extreme weather **** INCLUDES COVER