Easy to use: The T shaped pulley slide track is designed for easy installation on 1-5 / 8 inch ( about 4.4cm) wide and 1-5 / 8inch ( about 4.6cm) or higher channels Stable: Equipped with standard grooves balls bearings, the slide smoothly and quietly The alloy steel shaft ensures high strength, while the galvanized zinc coating prevents rust Welded positioning of the bearings ensures stability during for various users: This T shaped pulley slide track is suitable for anyone in need of lifting heavy object, such as construction workers, warehouse operators, and enthusiasts.It provides a and solution for efficient moving loads and: alloy steel, this T shaped pulley slide track is built to last With a load capacity of 540pounds ( 300kg) and a breaking load of 6613pounds, it can withstand heavy duty tasks Its sturdy construction and smooth make it a dependable for any lifting project Suitable for electric hoists installation and bouble directional movement, with a weight capacity of 540lbs, Manufacturer: Kaeltsyn