Our silver series large size 30mm Engine Start billet buttons with illuminating led ring switches and are the way to go when you're wiring up your ignition start system in your Hot Rod, Streetcar or Race Car. These silver series billet buttons have etched engraved logos or scripts in the center of the button to identify what you are switching On. Each switch offers solid positive tactile feedback and even LED illumination. Ideal for thermo fans, fuel pumps, water pumps, power windows, power door locks, power trunks, sunroofs, linear actuators, air bags, or anything you can think of that needs a switch. These handsome & elegant billet switches feature a sharp billet finish and high-quality L.E.D. illumination. Illumination led can be wired so that it is active when or turned on with your key ignition, as the button is momentary pushed this sends out a low voltage negative trigger to your hi-amp relays (relays not included). Our billet buttons are dust proof & water splash resistant so can be used in off road 4x4 use & marine use eg: Boats & Jet Skis. Used for: Starter MotorSeries: Silver Series Engraved Logo: Nill Engraved Written Script: Engine StartThread Diameter: 30mmFace size: 34mmLength size: 35.8mmSwitch rating: 5A/250VACContact Configuration: 1NO 1NCOperation Type MomentaryFront Shape: FlatLamp Type: Ring Illuminated LEDLamp Colours: Blue, Red Fitting Washer: Rubber SealMaterial: Stainless Steel Part No: BWASWSS30MES