MAIN SPECIFICATIONS* Slide Length: 18"*Mounting Type: Side Mount *Extension Type: Full Extension *Slide Type: Ball Bearing *Weight Capacity: 100 lbs *Material: Cold rolled steel *Cabinet Type: Face Frame *Installation Type: Screws *Quantity: 10 pair. MAIN FEATURES* Full extension slides also telescope, allowing the full length of the drawer to clear the cabinet. Choose these when you need easy access to the rear of the drawer, as in a file drawer. * Soft close features: Whether large or small, heavy or light, soft closing action keeps drawers from slamming closed. It adapts to various closing speeds and features overload safety to protect the system from damage over time. * Self close functionality help to close drawers softly, safely and quietly. Preventing drawers from slamming shut, stopping damages to drawers and keeping items from shifting within the drawers. High load rating allows you to install those slides on any type of drawer.ATTENTION *Screws are included (#6-5/8"). To determine which size of slides will fit your drawer, please measure the length of the drawer without the frame board. If the length is not even, please choose 1 inch shorter size. The length of slides can't be longer than the cabinet case.