●[Smooth and Stable]: Smooth opening and closing with ball bearings for greater stability. ●[Durable]: Made of high grade cold-rolled steel and galvanizing surface. 1.4mm thickness of inner rail can withstand 150 pounds of weight. anti-corrosion、anti-rust, up to 50,000 times pulled and save your replacement cost. ●[Various Applications]: Match various household drawers, large heavy duty drawer glides, cabinets, goods shelf, toolbox, industrial drawer, RV, truck, vending machine, etc. ●[Choose Tips]: 8 sizes (10",12",14",16",18",20",22",24") available, measure your drawer length without the frame board, choose 1" shorter size if length not even. make sure your slides length no longer than cabinet case depth. ●[What You Get]: 2 pairs 10 inch colds rolled steel drawer tracks, 10"(length) * 1.77" (width) * 0.5" (height), 24 mounting screws, 8 spare screws, manual, 45 days money back and 2 years warranty replacement/refund services if quality issues.