Gobrico Hardware 12-inch 100 lb. Hydraulic Soft Self Close Full Extension Ball Bearing Drawer Slides 3Folds 1Pair Mounting:Side Mount,Material:Cold Rolled Steel;1Pair. Matching mounting screws included Length:12in/300mm,Thickness:1/2"(12.7mm),Width:45mm,Load capacity:78 Pounds (35KG) Includes left and 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