URBEST&reg;Pair 9" Full Extension Ball Bearing Telescopic Drawer Slides Slide Rails Product Name : Ball Bearing Drawer Slides; Feature : 3-fold Smooth Telescopic Slide Unstretched Size : 23 x 3.9 x 1.27cm / 9" x 1.5 x 0.5" (L x W x T); Full Length : 44cm / 17.3" The Third Track Width : 2cm / 0.8"; Mounting Hole Diameter : 0.5cm / 0.2",0.44cm / 0.17" Material : Cold-rolled Steel with Steel Ball Bearings, Plastic; Color : Silver Tone Weight : 356g; Package Content : 1 Pair x Ball Bearing Drawer Slides