250lbs Heavy-Duty: Crafted from 0.77 in/19.5 mm thick high hardness steel, these heavy-duty drawer slides boast an impressive weight capacity of up to 250 lbs. The galvanized finish ensures exceptional rust and wear resistance, making them perfect for long-term use in various applications such as shelving, cabinets, industrial drawers, RVs, trucks, and vending machines. Double Lock Design: Our full extension dresser drawer slides feature a dual locking mechanism that provides a secure hold with a simple press. This innovative design guarantees that your items remain in place, even during bumpy rides or movements. Smooth & Silent Operation: With our double-lock design, you can easily control the locking and latching of these slides. Unlike other slides with no or single locks, our double-lock system offers enhanced security and stability. The double-row ball bearing ensures smooth and effortless sliding when opening and closing drawers