The replacement furniture legs are made of aluminum alloy with an anodized finish for durability and durability. The protective legs protect your floors from scratches and reduce noise when moving furniture. The heavy-duty aluminum legs are sturdy enough to support furniture and help elevate any furniture item with legs. These versatile legs feature a 10mm screw hole and are suitable for sofas, cabinets, coffee tables, beds, bathroom cabinets, dining tables, and more. The height can be adjusted by rotating the base, effectively eliminating the problem of wobbling caused by uneven floors. The adjustment range is 0-8mm. Size Chart: Diameter: 5 cm / 1.97 inches 6 cm adjustable height: 5.6-6.4 cm / 2.20 inches - 2.52 inches 8 cm adjustable height: 7.6-8.4 cm / 2.99 inches - 3.31 inches 10 cm adjustable height: 9.6-10.4 cm / 3.78 inches - 4.09 inches 12 cm adjustable height: 11.6-12.4 cm / 4.57 inches - 4.88 inches 15 cm adjustable height: 14.6 cm Adjustable Height: 15.4 cm - 5.75 in - 6.06 in 18 cm Adjustable Height: 17.6 cm - 18.4 cm / 6.93 in - 7.24 in 20 cm Adjustable Height: 19.6 cm - 20.4 cm / 7.72 in - 8.03 in 25 cm Adjustable Height: 24.6 cm - 25.4 cm / 9.69 in - 10.00 in Packaging Contents: 4. Sofa Legs Note: Due to manual measurement and different monitors, please allow slight discrepancies.