Our table height extender is designed with 4 adjustable heights 3.4"(8.63cm)/6.6"(16.76cm)/9.8"(24.89cm)/13"(33.02cm) for your table The table leg extenders were designed to fit most types of table legs like fit most table / folding square table legs / square straight legs .Great for tables, desks, kitchen tables, countertops, DIY furniture, cabinets, shelves,coffee tables, end tables etc 4 Sides Reinforce Without Shaking-More stable Double B-type locking pins-Easy to install, can be easily adjusted to the height you want Materials : These table leg extenders are made of high-quality, heavy-duty thick steel ,strudy