1. Greater Weight Capacity: Our self adhesive caster wheels feature a large 0.8 inch diameter steel ball in the ABS bracket, ensuring effortless and smooth rolling. Each wheel can carry up to 28 pounds, with a total load capacity of 112 pounds for 4 wheels. 2. Low Profile Design: With their compact design, our caster rollers can be easily installed on the bottom of your small furniture and appliances without affecting the aesthetics. Mount them on coffee tables, cabinets, bookshelves, nightstands, planters, air purifiers, and more. Please note that these casters are suitable for smooth and hard surfaces and may leave marks on wooden surfaces. 3. Quality Steel and Bearings: Our upgraded casters are made of sturdy metal and thick ABS material, ensuring durability and long lasting performance. Say goodbye to the struggle of moving heavy furniture when mopping the floor. With these casters, your furniture and appliances can be easily moved and rotated 360 degrees ly. 4. Tapes for Strong Adhesion: Each caster comes with adhesive tape, providing strong adhesion to prevent separation from the bottom of the furniture.