【Castor Wheel Material】The caster is made of sturdy steel plate and the wheel is made of floor-friendly polymer PU. The mini transport wheels are super wear-resistant. No scratches or wear caused by movement on the floor.【Smooth and Quiet】The small wheel casters are hard and durable. The swivel wheels are completed with a thickened plate, which allows for smooth, safe and quiet transportation of furniture on laminate floors and carpets.【Solid Rubber Wheel Size】Castor diameter: 25mm, total height: 28mm, mounting plate: 42mm x 19mm, screw holes: 4mm. Package includes: 8 white furniture caster wheels + 16 screws, Load capacity: 40kg.【Sliding Casters】The mini casters have fatigue resistance, crack resistance and other characteristics. The swivel wheels are equipped with rivet joint to prevent falling off. Non-toxic, odorless, safe, environmentally friendly and long service life.【Wide Application】Small furniture casters ideal for drawers, chairs, wheelbarrows, tool boxes, furniture,