Description: Durable Material: The engine start push button is made of high quality aluminum alloy and rubber material, wear resistant, sturdy and durable. Waterproof Cover: The start switch has a black rubber cap to prevent dirt, dust and water from getting in, dustproof, waterproof and weatherproof. Product Size: The height of the engine starter switch is 2.4inch, the diameter is about 1.1inch. Suitable for mounting in 5/8 inch drill holes and 0.63inch threaded parts. High Quality: Professional manufacturing momentary start switch, stable performance, has a long service life. Wide Application: The engine start push button is suitable for most 12V/24V 20A vehicles, fit for cars, trucks, boats, RV, ATV, tractor, etc. Specification: Product size: 6.1cmx2cm/2.40inchx0.79inch Material: aluminum alloy rubber Product voltage: 12V-50V Insulation resistance: 100M Package Includes: 1Engine Start Push Button Note: Please allow slightly errors due to manual measurement and different monitors.