Polyurethane Tread on Aluminum Core Wheel 1 540 lb Load Rating 1 000 to 2 999 lb Load Rating Range 7 13/16 in Wheel Dia 2 in Wheel Width Polyurethane Wheel/Tread Material Soft 75 Shore A Precision Ball Standard Tread Shape 1/2 in For Axle Size Not Included Includes Spanner Bushing Aluminum Wheel Core Material Yes Non-Marking 2 11/32 in Hub Length