Bulk 6900zz Sliding Glass Door Bearings Pulley For Home Office Product Specifications Attribute Value Material Carbon steel Durability Long-lasting Load Capacity 30kg Usage Sliding Doors Country Of Origin China Application Home/Office/Commercial Buildings Features Anti-corrosion, Rust-proof, Easy to Install Design Modern and Sleek Package Contents 1 Sliding Door Pulley, Screws and Anchors Warranty 1 Year Function Smooth and Silent Sliding Color Black Size 47.5mm Installation