Gobrico 16-Inch Soft Close Side Mount Drawer Slides 3Folds Full Extension Ball Bearing Runners 5Pair Mounting:Side Mount,Material:Cold Rolled Steel;5Pair Length:16in/400mm,Thickness:1/2"(12.7mm),Width:45mm,Load capacity:100 Pounds Each Pair includes one left and one righ hand slide,can be rear mounted with the brackets.The sildes and brackets are sold separately Hydraulic Soft/Self Close feature to slowly draw the drawer closed without slamming shut.Installing screws included,easy to install To determine which size of slides are good for your drawer, please measure the length of the drawerwithout the frame board.And if the length is not even, please choose1 inch shorter.The length of slides can't be longer than the cabinet case depth