Packing: 2pcs Material: metal Colour: Silver Size: 48x18x1.5mm/1.9inchx0.71inchx0.06inch, mounting hole size: 3.3mm/0.13inch There is some cushioning, but it minimises noise. It is a connecting device with excellent craftsmanship and smooth burr-free surface, which can withstand greater resistance. It is an ideal product for your home. Applications: mounting and positioning of laptops and notebooks, tablets and LCD monitors, shields, access panels, office equipment, control panels, cameras, computer peripherals, and anything that has to be turned and held in place. Attention: This is a damping hinge, it usually cannot be rotated in its initial state, it can only be moved (or rotated with the help of a spanner) when it is installed, it is not a normal hinge, lubrication is recommended.