Product Features:the Black High-performance Drawer Slide Rail, The Surface Is Electroplated With Black Lacquer, Anti-corrosion And Anti-rust, Completely Silent Telescopic, Very Quiet And Smooth, And The Slide Rail Extension Has A Buckle To Prevent Natural Slipping.application:it Is Suitable For Drawer Runners Of Cabinet Drawers, Cabinets, Tv Cabinets, Etc. And Telescopic Keyboard Guides For Computer Desks. Product Size: 35 Mm X 300 Mm / 1.38 X 11.8 Inches, Unfolded Length 600 Mm / 23.6 Inches. Product Material: Cold Rolled Steel. Packaging: 2 Pieces Black Heavy Drawer Runners.product [][product Features]: Black High-performance Drawer Runners With Black Colour On The Surface, Corrosion And Rust Protection Effect, Completelysilent Telescope, Two Rows Of Steel Balls Up And Down, Very Quiet And Smooth, The Rail Extension Has A Buckle, Andit Will Not Come Out By Itself. At The Rear.there Is A Rubber Stop, Which Is Quiet And Prevents The Guide Rail From Slipping.[applicable]: It Is Suitable For Drawer Runners Of Cabinet Drawers, Cabinets, Tv Cabinets Etc. As Well As For Telescopic Keyboard Guides.for Computer Desks. During Installation, Adjust A Certain Tilt Angle To Realize The Function Of Automatic Retraction.product Details:material: Cold-rolled Steel.size: 35 Mm X 300 Mm / 1.38 X 11.8 Inches, Unfolded Length 600 Mm / 23.6 Inches.packaging: 2 Pieces Black Heavy Drawer Runners. Colour: Black. [prompt]: Note: Since The Above Dimensions Are Measured Manually, The Actual Dimensions Of Theitem May Vary Slightly From The Above Dimensions. Due To The Reasons Shown On The Screen, The Colour Of The Product Image May Differ Slightly From The Actual Image Received.