ITEM NAME:s XB2-ES542 22mm NC Red Mushroom Emergency Stop Push Button SwitS Ew Specification: Brand new Main material: plastic Color: red, black Button diameter: approx.40mm Mount hole diameter: approx.22mm Fit panel thickness (adjustable): Max. 5mm Size: approx.76*40mm Feature: Push to stop and lock, twist to reset, 2 screw terminals, 1 NC contact type, mushroom emergency stop push button switch. Compact structure, quick and gentle to operate. Easy to use and install. Can be used to control the electromagnetic starter, contactor, relay and other automatic control electric circuits. Package included: 1 x Emergency Push Button Switch Note: Please allow 1-5mm errors due to manual measurement..Compact structure, quick and gentle to operate. Color: red, black. Main material: plastic. Easy to use and install.