Unique design and high quality. Many kinds of home supplies are available. In here， you can find quality 20" Ball Bearing Sliding Rail Kit Rack Mount.                                    Features            These drawer rails with special rollers guarantees easy， quiet<br>The drawer rails over the full drawer extension ensures excellent on-track precision<br>                                                            Specifications               Material     Steel     <br> Length     20"     <br> Width     1.69"     <br> Thicknes     0.39"     <br> Slide System     Ball-Bearing     <br> Quantity     2 (1 Pair)     <br>                                                            Package Includes            2 x Ball Bearing Drawer Slides Rails 20"<br>12 x Screw<br>