[NO DRILL MOUNTED] "No Drill installation" , and this kind wire management tray is screw free, for your home desk, Wood, glass, metal and tables can be used, and are easy to dismantle, leaving no marks or damage to the table. [STRONG & STURDY]Made of powder-coated Metal for , this new wire hiders which is quiet stable, Hollow curved design tray under desk can hold power strip and more easy to organize cable wires. [Better Design] Your new wire hiders for desk work great even with with little overhang. The cable rack has a unique design allowing for mounting from anywhere along the length of the tray unlike other trays that have fixed screw locations. Mounted: The under desk cord organizer tray installs to the bottom of any wood, or particleboard desk. You can even mount it and use it as a wall unit. Not suitable for installation on paper honeycomb-filled like some office [TIDY & CLEAN DESK SPACE] Wire management under desk makes your working space more tidy, no more messy wires and power strip, this is quiet different from old under desk , more helpful, useful and more durable. size:39x12.5cm Material:Metal colour:Black Package Contents: 1 x storage rack Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.