This unit is untested. The case locks closed, but one of the locking ears is missing.
The Snap-On Tools USA Computerized Tach Advance Timing Light MT1261A is a high-quality diagnostic service tool designed for automotive use. Made in the United States, this timing light features inductive and digital capabilities for accurate readings. It comes with a durable PB48 case for easy storage and transport. With the manufacturer part number MT1261PA, this product offers reliable performance for timing advance adjustments in vehicles.