4 Pack Table Leg Risers, 93mm and 133mm Height Adjustable, can raise the table to the height you need, allowing more storage space underneath. Reinforcement bolts are installed on the top of the table leg riser to strengthen the connection between the table leg and the riser. These furniture leg risers are made of high-quality thickened steel, which is not easy to bend and does not affect the stability of the table. The surface is treated with powder coating process, no matter indoors, outdoors or even in a humid environment, it will not rust. The bottom of the riser is wrapped with non-slip rubber, which can eliminate the harsh noise caused by friction with the floor and will not scratch your floor. The table leg extensions are suitable for most types of tables, such as folding table legs, curved legs, straight legs, etc. They are very suitable for desks, bookshelves, coffee tables and DIY furniture, etc., to meet your different usage needs.