IPSA Soft Close Ball Bearing Drawer Slider, Load Capacity 35 Kg, Made by Steel, Finishes by SS, Size 20 inch, 1 Pair 7 Year Manufacturer Warranty. 4 Ball Mechanism for Better Performance. European Anti-Rust Coating. 96 Hrs. + Salt Spray Tested. 45,000+ Cycles Tested Full Load 45kg. 200,000+ Cycles Tested Empty.