🎄【Materials and Process Upgrading】- Thickened universal steel column, thickening plate and double support bearing. High strength stainless steel electrophoresis stand, wear resistant mute steel ball. Caster wheels are made of superior polyurethane with strong abrasion resistance, silent shock absorber, wearproof, no drag marks. And enhance the impact resistance of the whole castor. Free screws and a spanner from now on. Total Load Capacity-2000lbs. | 🎄【With Locking Brake】-3 inch casters. It comes pack of 4 wheels, each wheel has a separate brake. The brake locks both the wheel and the swivel simultaneously, effective to stop and prevent the devices from moving and hurting others. | 🎄【360 Degree Rotation Top Plate】- Easy to transform to any directions that you want, and spend little strength to move on. Note that the 3 inch casters are not small. 【 The detail Dimensions are shown in Figure 2】 | 🎄【Save Strength and Widely Used】- Easy to move the table, seat or shelf or other things if they have caster wheels. Wear resistant and durable, non marking. Furniture casters, workbench casters can be used in both industrial and residential applications. Suitable for multiple scenarios, designed specifically for handling. | 🎄【WARRANTY】- 2 Years Warranty, Free Replacement - No Questions Asked. ABSLIMUS brand wheels which is a highly known brand of caster wheel and known for its quality.