[Specifications] - Size: 340 x 27 mm; Material: Cold rolled steel; Color: Black. [Applications] - Widely used for kitchen cabinet baskets, furniture drawers, computer desk keyboard trays, tool boxes, folding furniture, etc. [Installation] - One for the left side and one for the right side. Pay attention to the installation dimensions of the slide. Please keep the left and right slides at the same height. [Features] - The slide is made of high quality steel. The ball bearing is flexible, the noise is small when closing and opening. It is stable and durable.