Caster Wheel, Polyurethane, 4 in., 300 lb., EnjoyTool Select, Mfr#: 3G307

V-Groove Track Wheel, 300 lb Load Rating, 300 to 999 lb, 4 in Wheel Dia., 2 in Wheel Width, Polyurethane Wheel/Tread Material, Hard Wheel/Tread Hardness Rating, 60 Shore D Wheel/Tread Hardness, Roller Wheel Bearing Type, V-Groove Tread Shape, For Axle Size 1/2 in, Included Includes Spanner Bushing, Polyurethane Wheel Core Material, Yes Non-Marking, 2 7/16 in Hub Length