Check the listing for details. Snap-on Diagnostic Thermal Laser EETH311. Condition: Used. Listed at 400.00 USD. The Snap-on Diagnostic Thermal Laser EETH311 is a high-quality automotive diagnostic tool manufactured by Snap-on Tools. This specialized tool allows for precise thermal imaging and laser detection to identify issues in vehicles, making it a valuable asset for auto mechanics and service professionals. With the manufacturer part number EETH311, users can trust in the reliability and effectiveness of this product for diagnosing and troubleshooting automotive systems.