Widely used: heavy duty ball bearing slides are widely used for desks, computer keyboard trays/keyboard drawers, furniture, kitchen drawers, dresser drawer tracks, under desk drawer extension slides Sturdy material: metal telescopic slides made of highquality cold rolled steel, durable, rust proof and long lasting, with a service life of up to 10 years. The maximum load capacity of a pair is 40kg, mainly used for computer desk keyboard drawer tray slides Ergonomic detailing: equipped with ball bearings and built-in lubricant to ensure smooth sliding and reduce noise. Cushioned pads effectively reduce collisions caused by pulling in and out. The height of the stand can be adjusted by screw holes; 5 Holes adjustable. Mounted: side mounted. Mounted on the side of computer keyboard trays and drawers, easy and quick to install using a screwdriver. Length 350mm/14inch, extendable to 570mm/22.4inch The inner rail can be detached by pressing the buckle for easy installation,The rear end of the slide rail is equipped with a rubber mute pad., Manufacturer: LCUVIMPEX