[Load Capacity]: 28 lbs per wheel. Total capacity: 110 lbs for 4 wheels. Wheel Size: Total height 24 mm (1 inch), mounting plate diameter 44 mm (1-3/4 inches), mounting hole diameter 4 mm, diagonal hole spacing 36 mm. [Low Profile & 360-Degree Rotation]: Low-profile casters add minimal height to furniture while supporting substantial weight. Larger steel ball bearings in ABS brackets ensure smoother rolling performance compared to smaller ball bearings. [Quick & Easy Installation]: Install swivel casters on furniture legs or feet—including coffee tables, shelves, cabinets, dressers, and plant stands—using included adhesive pads or screws. Enables easy movement of furniture. Note: 1. These casters are designed for smooth, hard surfaces. May leave marks on wood floors. 2. For heavy items, we recommend using screws for secure installation. [Wide Applications]: Suitable for furniture, storage bins, file cabinets, nightstands, under-bed storage drawers, toolboxes, air purifiers, standing fans, tower fans, and other household appliances. Color: Black Material: Plastic + Steel Ball Diameter: Approx. 4.4 cm Package Includes: 4 x casters, 4 x adhesive pads, 16 x screws Note: Color may vary slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3 cm.