Industrial solid steel balls provide better weight supportThe slide is designed with two sets of ball bearings inside, all made of solid steel balls. In addition to maintaining the mobility of the slide, it also effectively increases the load capacity of the slide. Full extension drawer slides provide access to all space, and the drawers extend fully for convenient storage. [Rust-proof, long life] The slide surface is galvanized to isolate direct contact between water and air, prevent the slide from oxidation and rust, and improve corrosion resistance. Fully extended sliding rails The sliding rails Fully extended provides access to all space and the drawers can be fully extended for convenient storage. There are two sets of ball bearings designed inside the slide, all made of solid steel balls. In addition to maintaining the stability of the slide, these bearings also effectively increase the load capacity of the slide. [Product Features] Aolisheng heavy-duty drawer slides are made from steel plates high quality cold rolled, high strength and high density. They can withstand intensive storage without deformation. [Product size] Width 51 mm, closed length 350 mm, extraction stroke 350 mm, thickness 12.7 mm Note: The data is all measured manually, please allow 1-3cm error due to the difference in light and display, there may be some color difference, please refer to the actual item received.