How to Install 1. Fix the fastener to the straight pipe of the wheelchair frame. 2. Insert the wheelchair tray into the fastener hole to complete the installation. Specifications Style: Modern Color: Coffee Material: Wood, Steel Pipe, Metal Shape: Rectangle Assembly Required: No Mount Type: Wheelchair Mounting Desktop Thickness: 15mm/0.59in Distance Between Two Poles: 48cm/18.9in Pole Height: 20cm/7.87in Desktop Size: 57*30cm/22.44*11.81in Package Size: 67.5*31.5*6.5cm/26.57*12.4*2.56in Gross Weight: 2.4kg/5.29 lbs Net Weight: 2.28kg/5.