Rubber Tread on Aluminum Core Wheel 500 lb Load Rating 300 to 999 lb Load Rating Range 5 in Wheel Dia 2 in Wheel Width Rubber Wheel/Tread Material Soft 80-83 Shore A Roller Standard Tread Shape 3/4 in For Axle Size Not Included Includes Spanner Bushing Aluminum Wheel Core Material No Non-Marking 2 3/16 in Hub Length