1. SoftClose Function With this function, furniture can be moved gently with a pleasant and soft stop feature. Reduces noise and prevents pinching. Softclose drawer slides are ideal for cabinets, desk pedestals, and general storage drawers. 2. 30Year Lifespan The hidden bottommounted drawer slides are rustresistant and lownoise. Inside, there are two rows of solid steel balls, making them durable and quiet. After testing, the slides can be opened and closed over 100,000 times. 3. Hidden Base Mounting A cleaner, more efficient appearance that makes drawers stand out without looking oversized or bulky, and the rails can be easily concealed. 4. Product Features The slides are made of density coldrolled steel plates with a galvanized surface treatment and rustproof coating, ensuring the drawer remains stable and secure. Solid steel ball bearings on both sides provide smooth and quiet gliding even when fully loaded. The fixed hook design ensures the drawer remains more stable when opened in combination.