Dantech DT-50 Computing Wrist Rests Newest Design Ergonomic Articulating Computer Laptop Arm Support Aluminum Alloy armrest with Lift Height Adjustable (Silver) Three pivot points and two adjustable hinges can be fine-tuned for horizontal and vertical adjustments to achieve ergonomic comfort. Effectively relieves up to 90% of the weight undertaken by your wrist; also reduces stress from cervical vertebrae, shoulder and arm. Keep correct posture, avoid cervical vertebrae ache and nearsightedness. Strong aluminium alloy material construction provides durability, flexibility and adjustability, supporting up to 10kgs (or 22lbs) Uniquely design makes your hand move freely, comfortably and effortlessly to work on your computer. Fits desk top up to 60mm thick.