The Snap-on Tools USA Timing Light Model MT-1221 is a high-quality automotive diagnostic tool designed for precise timing adjustments. Made in the United States by the reputable brand Snap-on, this inductive timing light is reliable and durable for professional use. With its specific manufacturer part number (Mt1221), this timing light is a valuable addition to any car enthusiast's collection of automotive tools and supplies. It is a must-have for those looking to accurately diagnose and adjust timing issues in their vehicles. This is a working Timing light