Shuhang Heavy Duty Drawer Slides with Lock: Upgraded version with locking design. Prevents sliding. Easy control and secure fixation. Installation distance: 19mm (each). *Note: Mounting screws are not included. You can purchase M5 screws according to your slide rail installation scene. Removable Slide Rail: Swing the handles to lock and unlock, they can be locked both when closed and fully open, preventing sliding. The slide rail is fully extended, which can be easily disassembled by pressing for easy installation. 2 Times Material Thickness -- Long Service LifeMaterial thickness: 2mm. Installation dimension description: 38mm gap between the drawer and the cabinet wall required (left 19mm, right 19mm). Rustproof and Full Extension: The heavy duty drawer slides are treated with electroplated blue zinc. The galvanized layer can prevent air from directly contacting the steel plate, thus resisting oxidation and corrosion. Fully extended drawer slides, so that the drawer can be fully pulled out, which is convenient for storing items. Thick material with strong load-bearing capacity: 2mm high-density thick steel is used, which is firm and stable, and has better load-bearing capacity. Can be used for: goods shelves, cabinets, industrial drawers, RVs, trucks, vending machines, etc. Color: silver Delivery quantity: 2 pieces/set Note: 1. The extraction stroke is 3mm and the thickness is 0.2mm. The thickness of the slide rail is 19mm, and it is recommended to reserve 19.3mm for the unilateral installation space.becomeveryrich