Ⅰ. Replacing furniture legs are made of aluminum alloy, the surface is anodized, no fading, no rust. Ⅱ. The furniture legs protect your floor from scratching, and reduce noise when moving the furniture. Ⅲ. The aluminum alloy legs are strong enough to support furniture and help elevate the height of all kinds of furniture with furniture legs. Ⅳ. Table Legs, Screw hole is 10mm in size, suitable for sofas, cabinets, coffee tables, beds, bathroom cabinets, dining tables, etc. Ⅴ. The height can be adjusted through rotation of the base, which effectively solves the problem of shaking caused by uneven ground. The adjustable range is 0-8mm. Ⅵ. Size Chart: diameter: 5cm/1.97inch; 6cm Adjustable height: 5.6-6.4cm/2.20inch-2.52inch; 8cm Adjustable height: 7.6cm-8.4cm/2.99inch-3.31inch; 10cm Adjustable height: 9.6cm-10.4cm/3.78inch-4.09inch; 12cm Adjustable height: 11.6cm-12.4cm/4.57inch-4.88inch; 15cm Adjustable height: 14.6cm-15.4cm/5.75inch-6.06inch; 18cm Adjustable height: 17.6cm-18.4cm/6.93inch-7.24inch; 20cm Adjustable height: 19.6cm-20.4cm/7.72inch-8.03inch; 25cm Adjustable height: 24.6cm-25.4cm/9.69inch-10.00inch Ⅶ. Package Includes: 4 Sofa Legs Ⅷ. Note: Please allow slightly errors due to manual measurement and different monitors.