Iron Age Guitar Kill Switch 16mm Momentary NO, Pre-Wired Kill-switch For Easy Installation. (CHROME) Get Insane Special Effects At Your Fingertips. Low-profile, Seek looks, & Crisp functionality. Installation is a breeze! Each killswitch come with professionally soldered contacts, 6 inches of wire, & is ready to drop into your guitar in just minutes. No more tacky "kill-boxes" or lugging around extra pedals/cables. Works with BOTH active & passive pickups. Features crisp & responsive button-action for accurate activation every time.Install diameter is 16mm, same as our various best-selling LED models. To install, connect 1 wire to the "Sleeve" & 1 wire to "Tip" at the jack. It really is that simple. All Iron Age Kill-switches are backed by a full 365-day warranty against defect & malfunction. Rubber Gasket is included to protect your guitar's finish underneath. **This listing is for the CHROME Finish** Check out other listings for Gold & Black Finishes.