Keyboard shelf clamp Punch clamp with adjustable height 0,5 – 9,5 cm on solid clamp Description: [Material]: The keyboard shelf clamp is made of ze stali, which is characterized by reliable quality and high load capacity. (The tray is not included, the do desktop extension is not included) [Easy to Install]: Ergonomics The do desk tray clamp is easy to assemble, requires no drilling and does not damage your desktop. Simply clip it do the edge of the table and screw it on. The sturdy clamp holds everything firmly in place and can be adjusted za a simple tightening. [Folding]: Sturdy keyboard clamp, foldable do storage without taking up space. Stable and vibration-free, low noise, no falling off, practical and professional, suitable do home or office use. [Adjustable range]: Folding handle do keyboard drawer, adjustable range is 0,5 to 9,5 cm, suitable do tables of different thickness. [Multifunctional]: Keyboard shelf bracket under desk, expand desk space, clean desktop, let work easier and more convenient. Specification: Material: stal Thickness range: 0,5 cm-9,5 cm Size Chart: 19 cm x 8,4 cm or 7,48 inch x 3,31 inch The package includes: 1 pair of keyboard shelf clamp holders