Caster Wheel, Steel, 4 in., 850 lb., EnjoyTool Select, Mfr#: W-420-SVB-1/2

V-Groove Track Wheel, 850 lb Load Rating, 300 to 999 lb, 4 in Wheel Dia., 2 in Wheel Width, Stainless Steel Wheel/Tread Material, Extra Hard Wheel/Tread Hardness Rating, 201 BHN Wheel/Tread Hardness, Precision Ball Wheel Bearing Type, V-Groove Tread Shape, For Axle Size 1/2 in, 7/8 in Groove Width, Included Includes Spanner Bushing, Stainless Steel Wheel Core Material, Yes Non-Marking, 2 1/2 in Hub Length