[Manual Locking System - Complete Security] These heavy-duty drawer slides feature a reliable manual locking mechanism that secures drawers in either the closed or open position. This feature is particularly useful in RVs and vans, providing maximum security on uneven roads. [Overweight 120kg Load Capacity - Ultimate Stability] Designed for heavy loads, each pair of slides can support up to 120kg, offering exceptional load-bearing capacity on the market. Its reinforced structure with high-quality steel ensures perfect stability and longevity in industrial storage furniture and demanding workshops. [53mm Reinforced Rails - Enhanced Stability] These reinforced rails are 53mm wide, providing a larger guiding surface and greater rigidity. This robust design eliminates any risk of deflection, ensuring smooth operation even under maximum load. [Special Galvanized Coating - Corrosion Protection] The galvanized coating and blue passivation treatment provide superior corrosion protection. This product is ideal for humid environments such as workshops and garages, ensuring long life and preventing rust. •【Professional and Multifunctional - Easy Installation】These industrial rails can be easily installed from the side and are suitable for a variety of applications: dry cleaning cabinets, heavy medical furniture, professional tool cabinets, etc. A robust and reliable solution to help you optimize your storage.