Feature●Set Includes: 2 each with or without simple lock and 4 spring washers●Material: Casters: Nylon●Size: Single wheel casters: Diameter 3.0 inches (7.5 cm)●Screw diameter: 3/8 W●Load Capacity: 110.2 lbs (50 kg) per piece●Quantity: 1 setDescription
3.0 inch (7.5 cm) diameter type for more movement.