4 Pack 5" Heavy Duty Scaffolding Rubber Swivel Caster With Dual Locking 1" Solid Round Stem 280LBS 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: 7.27 kg/16 lb,Load Capacity: 280 lb each,Brake Type: Dual Lock Brake,Connecting Rods: 1 x 4 inch,Material: Rubber + Steel,Wheel Diameter: 5 inch,Bore Diameter: 0.4 inch,Package Size: 13 x 10 x 7 inch