The Diode Dynamics Magnet Tool is used to program LED lighting from Diode Dynamics, including our SS10 LED Chase Light Bar. Magnets can also be useful in a number of situations, so if you are looking to program your lights, need a replacement, or you're just looking for a handy tool to add to your toolbox, Diode Dynamics has you covered. Experience. After over a decade in business, Diode Dynamics is one of the most trusted names in automotive LED lighting. We directly manufacture and engineer our own products in the United States using globally sourced materials, allowing for higher quality and performance, with the newest and brightest LED technology. No matter what you're driving, we pride ourselves in offering only the best possible LED solutions. Please contact us if you'd like to discuss your lighting project!