1. HEAVY DUTY DOUBLE. The wheel is supported by heavy duty bearings on each side with precision steel balls, ensuring lower noise, less friction, and more flexible rolling. 2. MADE OF NON-MARKING POLYURETHANE. Constructed with non-marking polyurethane material for enhanced durability, shock absorption, and floor protection. 3. REINFORCED STEEL PLATE. Swivel plate is designed to be thicker and stronger using cold-rolled technology. Load capacity is 150 Lbs per caster, up to 600 Lbs for a set of 4. 4. MORE STABLE AND DOUBLE HEAVY DUTY. When the leveling foot is extended to the same height as the wheel, total load capacity reaches 1100 Lbs with a set of 4 casters. Leveling foot helps stabilize furniture on uneven floors. 5. CONVENIENT FOR HOUSEWORK. Easily move furniture by lifting the leveling foot and lowering the wheel for smooth mobility during cleaning tasks. Product parameters Wheel diameter: 2 inch (50) MM Wheel width: 25 MM Load bearing: 50 kg Bottom plate specifications: 70 x 51 MM Hole distance: 53 x 35 MM Bolt hole diameter: 6 MM Installation height: 74 MM (Due to different batches, the actual product may have slight differences or color variations, which do not affect use) Color: red Material: PVC/PP/PU Package Contents: 4 x caster wheels Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement allowed error is +/- 1-3 cm.