Polyurethane Tread on Plastic Core Wheel, 600 lb Load Rating, 300 to 999 lb Load Rating Range, 4 in Wheel Dia., 2 in Wheel Width, Polyurethane Wheel/Tread Material, Firm, 95 Shore A, Roller, Standard Tread Shape, 1/2 in For Axle Size, Not Included Includes Spanner Bushing, Plastic Wheel Core Material, Yes Non-Marking, 2 1/2 in Hub Length

Polyurethane Tread on Plastic Core Wheel, 600 lb Load Rating, 300 to 999 lb Load Rating Range, 4 in Wheel Dia., 2 in Wheel Width, Polyurethane Wheel/Tread Material, Firm, 95 Shore A, Roller, Standard Tread Shape, 1/2 in For Axle Size, Not Included Includes Spanner Bushing, Plastic Wheel Core Material, Yes Non-Marking, 2 1/2 in Hub Length