Anti-rust and smooth: Surface electrophoretic treatment. The electrophoretic layer prevents air from directly contacting the steel plate, resisting oxidation and improving corrosion resistance. Rubber cushion, rubber brake prevents automatic opening. Provides silent and frictionless movements when opening the drawer.Removable and full extension: There is a black plastic buckle on the back of the slide rail, and the drawer can be easily removed by pressing it, easy to install. 3-fold drawer slides, so that the drawer can be completely removed, which is convenient for storing items. You can choose the size of the rails according to the depth of the drawer. The length of the slide rail should be the length of the drawer. If you encounter any problems, please contact us. May you have more business relationships with you. FriendTip: The products are metal products, please protect your hands. It is recommended to wear gloves for installation. We have downloaded the installation manual Three sections 16 inches, mounting space 13mm, width 45mm, thickness 1mm, length 400mm Note: The data are all manual measurements, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain color difference, whichever is the actual object received.