Supplying four-leg gold-plated metal dome (also called tactile metal domes, or metal snap domes gold-plated), all of imported raw materials of gold-planting for production, well distributed thickness make it steady and no release , high life cycle and low contact resistance, resistance to oxidation resistance to brading , life cycle reaches 1,000, 000 times above, widely used in all kinds of high quality electronic products. From 20mm diameter 6mm to force (load) from 180 to 500 grams . We can open mold according to customer' drawing.