Caster Wheel, 4 in., 600 lb., White Core, EnjoyTool Select, Mfr#: P-UP-040X020/050D

Polyurethane Tread on Aluminum 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, Hard, 50-60 Shore D, Delrin, Standard Tread Shape, 1/2 in For Axle Size, Not Included Includes Spanner Bushing, Aluminum Wheel Core Material, Yes Non-Marking, 2 3/16 in Hub Length