Connects between spark plug and ignition lead to give a clear indication of ignition system function. Manufacturer's Description Recognised and trusted throughout the UK and Europe, Silverline?s comprehensive range of tools meets both current and future demands. New products, utilising an enhanced technology, are being delivered every day, ensuring Silverline customers get the better tools. The Silverline range includes over 5000 hand and power tools for use in the home, garden and workshop. Subjected to thorough testing, Silverline delivers tools that comply with the higher standards in quality and safety. Through continuous monitoring and improvement of their suppliers, Silverline provide tools that are approved and certified with long guarantees, so you can be sure you?re investing in one of the best tools on the market today. Silverline cares about the environment. As their products are sourced from factories around the world, they run continuous improvement programmes to ensure they only deliver quality tools that comply with high environmental standards. Silverline is committed to supporting human rights and upholding moral and ethical standards. They monitor their supply chain closely through a controlled programme of factory audits and assessments. To pass their audit, all suppliers must actively comply with all relevant local and international legislation and demonstrate a good, safe and healthy working environment.