【Product Features】Heavy duty drawer slides are made of high quality, high strength and high density cold rolled steel. They can withstand intensive storage without deforming. The bottom is equipped with a limited rubber bumper and ABS plastic for good wear resistance and impact resistance. 【Anti-rust, long service life】The surface of the slide has been galvanized with blue zinc treatment to isolate the direct contact of water and air to prevent oxidation and rust from the slide and improve corrosion resistance. More than 100,000 times opening and closing tests have been carried out to verify its durability, and the normal life of the sliding rail is more than 30 years. 【Lockable, Removable Drawer Slides】Press the black handles on both sides simultaneously to lock and unlock the drawer, locking it when fully closed and locking it when fully open to prevent that it does not slip. 【3-Fold Full Extension Removable】The triple extension allows the slides to be fully extended, allowing the drawer to be fully extended for easy access to the entire drawer storage space. By pressing the locking handle and continuing to pull, the interior rails can be removed for easy installation and cleaning. 【Usage Tips】The length of the rail should be ≤ the length of the drawer. Metal parts are sharp during installation. It is recommended to wear gloves during installation.