Steel Tread Wheel, 10,000 lb Load Rating, 6,000 lb and Greater Load Rating Range, 6 in Wheel Dia., 3 in Wheel Width, Steel Wheel/Tread Material, Extra Hard, Tapered Roller, Standard Tread Shape, 1 1/4 in For Axle Size, Not Included Includes Spanner Bushing, Plastic Wheel Core Material, Yes Non-Marking, 3 1/2 in Hub Length.
Plte Caster,Rgd,Poly,10",3000 lb. 10 in, Wheel Width 3 in, Wheel/Tread Material Polyurethane, Wheel Core Material Cast Iron, Non-Marking Yes, Number of Wheels 1, Caster Brake Type No Brake Included, Tread Shape Standard.