Material: Replacing furniture legs are made of aluminum alloy, the surface is anodized, no fading, no rust, durable. Protection: The furniture legs protect your floor from scratching and reduce noise when moving the furniture. Heavy Duty: The aluminum alloy legs are strong enough to support furniture and help elevate the height of various types of furniture. Wide Application: Table legs with 10mm screw hole, suitable for sofas, cabinets, coffee tables, beds, bathroom cabinets, dining tables, and more. Adjustable Height: The height can be adjusted through rotation of the base, which effectively solves the problem of shaking caused by uneven ground. Adjustable range is 0-8mm. Size Chart: Diameter: 5cm / 1.97 inch 6cm Adjustable height: 5.6-6.4cm / 2.20-2.52 inch 8cm Adjustable height: 7.6-8.4cm / 2.99-3.31 inch 10cm Adjustable height: 9.6-10.4cm / 3.78-4.09 inch 12cm Adjustable height: 11.6-12.4cm / 4.57-4.88 inch 15cm Adjustable height: 14.6-15.4cm / 5.75-6.06 inch 18cm Adjustable height: 17.6-18.4cm / 6.93-7.24 inch 20cm Adjustable height: 19.6-20.4cm / 7.72-8.03 inch 25cm Adjustable height: 24.6-25.4cm / 9.69-10.00 inch Package Includes: 4 x Sofa Legs Note: Please allow slight variations due to manual measurement and differences in display monitors.