Metal dome is made of stainless steel or manganese material after heat treatment, which is an important part of switch on, with the aid of metal shrapnel guide, between the operator and product have the effect of a high quality of the switch. At the same time, using pot slices stable back stretch (after press the auto return), and long life span, tactile feedback to the operator to provide quality.

Metal dome is commonly used in machinery, vehicles buffer shockproof device and relay delay device.