YKS 5 PCS Tread Casters Rubber Swivel Wheel 360 Degree Swivel Rotation Office Chair Caster Wheel Replaces chair mat for Hardwood Floor
360 Degree Swivel Rotation. * Testing subject to BIFMAX 5.1, each castor has a load capacity of 50Kg. * Item size: 80*65*51mm (3.15"x 2.56"x 2") * Stem Diameter: 11mm(0.43"), Stem Length: 22mm(0.87") * Packing Content: 5x Rubber Swivel Wheel