uxcell Pair 16" Ball Bearing Telescopic Furniture Drawer Slides Sliding Rails Product Name : Ball Bearing Drawer Slides;Feature : 3-fold Smooth Telescopic Slide Unstretched Size : 40 x 4.5 x 1cm / 16" x 1.7 x 0.4" (L*W*T);Full Length : 79cm / 31" The Third Track Width : 2.5cm / 1";Mounting Hole Diameter : 0.48cm / 0.19" Material : Cold-rolled Steel with Steel Ball Bearings, Plastic;Color : Silver Tone Weight : 911g;Package Content : 1 Pair x Ball Bearing Drawer Slides