The Lisle Relay Test Jumper Kit - 56810 is the perfect tool for any automotive technician. This kit includes 10 of the most commonly used relay test jumpers, allowing you to quickly and easily troubleshoot electrical problems in your car. The jumpers are made from a durable, corrosion-resistant material and feature easy-to-read color coding for quick identification. The kit also includes detailed instructions and diagrams to help you get the job done right. Whether you're a professional or a DIYer, the Lisle Relay Test Jumper Kit - 56810 is an essential tool for any automotive repair job.