VEVOR 4 Pack 8 Inch Iron Core Polyurethane Swivel Caster With Dual Locking Brake Adjustable Legs 1100LBS Capacity per Wheel 360 Degrees Rotation Design High Quality Rubber Wheels Dual Locking Brake Large Load Capacity Thickened Steel Plate Bracket Wide Application Gross Weight: 21.82 kg/48 lb,Brake Type: Dual Lock Brake,Connecting Rods: 1.34 x 3.3 inch/34mm×84mm,Load Capacity : 1100 lb each,Material: Rubber + Steel,Wheel Diameter: 8 inch,Bore Diameter: 0.5 inch,Wheel Width: 2 inch,Package Size: 14 x 14 x 9 inch