These heavy-duty locking drawer slides are built for smooth, stable full-extension performance in cabinets, industrial drawers, RVs, trucks, and tool storage setups. Made from high-hardness steel with a galvanized finish, they resist rust and wear for long-term durability. The dual locking design helps keep drawers secure during travel or movement, while double-row ball bearings and nylon cushioning support quieter operation. This pair is designed for 16.5" suitable drawer length applications and offers up to 250 lbs load capacity. Installation hardware is included for added convenience.