Jack Boss 4 Inch Caster Wheels Swivel (Set of 4) Heavy Duty 360 Degree Swivel Top Plate Castors No Brake No Noise Floor Protection 1800lbs

✔Dimensions And Applications:Made up of steel plate and PP industrial wheels.Casters are 4" Diameters and plates are 3.6"x.2.4" with 4 holes.Widely used in factory,home,office,warehouse and more.For Workbench,chair and any furniture you want to move.Could install at hardwood or metal surface
✔Durable Heavy Duty Sets And Protection:Wheels are easy to push, safe for harwood,for all floors protection.Slience guaranteed,anti-seismic
✔360 Degree Top Caster Steel Plates:Heavy duty top plate swivel caster wheels can carry 450Lbs capacity, double bearing.Flexible ball bearing inside and swivel at any time and at any angle
✔Premium PP Wheel Material:PP material is strong insurance, non-toxic,Anti-friction, tasteless, strength, rigidity, hardness and heat resistance are better than PU，PVC.Smooth surface with no noise when moving