WHAT YOU NEED - Are you tired of constantly experiencing pain in your lower back or neck caused by improper table height? Do you want to feel comfortable and improve your posture while eating or working? The table extensions are a simple and convenient solution! HIGH QUALITY MATERIALS - These table leg risers are made of high quality and stainless steel, a material that will not bend, rust or oxidize indoors and outdoors. EASY DIY INSTALLATION - These furniture risers come in convenient packs of 4 and include everything you need for smooth, user-friendly and quick installation:4 table legs with casters, 4 eye bolts with 4 nuts, 4 screws to avoid wobbling. Improved Modularity These table leg extensions are designed with improved modularity and are compatible with most folding tables. For curved legs, these extensions rise from 28inch to 36inch, while for straight legs have 2 possible mesh slopes: 5inch or 9inch. HEALTHIER CHOICE - By keeping your table at the right height, you will relieve the pressure on your back, neck and shoulders, making your body feel more relaxed and avoid long-term discomfort. Our table risers have a rubber foot and are non-slip for perfect stability. Colour:Black Material:Metal+Plastic Size:Height . 51cm Package Contents: 4 * table legs with casters 4 * eye bolts with 4 nuts 4 * screws to avoid wobbling Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.