It prevents your back from bending over: When you work for long hours, your back may bend over, but if you install these table leg extensions on your folding table, you can work for long hours without hurting your back. The table leg extensions do not affect the stability of the table, which is just as sturdy as without the table height extensions. Adjustable Height: Our table extension is designed with 2 adjustable heights of 9.2 cm / 17.2 cm for your table. We also have reinforcement bolts on the top of the folding table leg extension, which can make the connection between your table legs and the table leg extension more secure and not easy to fall off. These table leg risers are equipped with a rubber foot on the table legs. Prevents slipping and ensures the stability of the table. Wide Application: The table leg extenders are designed to fit most types of table legs such as folding table legs, curved legs, straight legs, etc. Ideal for tables, desks, kitchen tables, countertops, DIY furniture, cabinets, shelves, coffee tables, side tables, etc. These adjustable table legs will raise your table to the height of your choice, giving it more storage space underneath. Quality Material: These table risers for folding table are made of high-quality steel with powder coating, strong and smooth, high-quality and sturdy, durable and reusable, which has the characteristics of beautiful and practical, anti-rust, anti-oxidation, anti-deformation, non-fading, etc. Package Contents: These table leg risers have been installed, just adjust the height according to actual needs. The package includes: 4 table leg extensions, 4 eye bolts with B-type locking pins, 4 non-slip rubber foot covers, and 4 large fixing bolts. Quality Guarantee: If there is any quality problem, please feel free to contact us. Refund or replacement for any quality issues. We have 2 sizes of table leg extensions available for you. Note: Please apply these table height extensions to some table legs up to 36mm in diameter. When you work long hours, your back may hurt from bending over, but if you install these table leg extensions on your folding table, you can work long hours without hurting your back. These adjustable table legs will raise your table to any height you want, giving it more storage space underneath. Our table extension is designed with 2 adjustable heights from 9.2cm to 17.2cm for your table. We also had reinforcement bolts on the top of the folding table leg extension, which can make the connection between your table legs and Table height extensions are more secure and do not fall easily. These table leg risers are equipped with a rubber foot to prevent slipping and ensure the stability of the table. The package includes: 4 table leg extensions, 4 eye bolts with B-type locking pins, 4 non-slip rubber foot covers, and 4 large fixing bolts.