Dual Spark Plug Tester for 11mm 12V Gas Plugs

This dual spark plug tester is designed for testing 11mm and 12V gas auto spark plugs, featuring adjustable frequency for accurate diagnostics.

• Compatible with 11mm and 12V spark plugs
• Adjustable frequency for precise testing
• Essential for automotive diagnostics
• Compact design for easy handling
• Durable construction for reliability

Best suited for: automotive technicians, mechanics

Note: Please check product size, fitment, specifications and compatibility before purchase. Installation, use and suitability are the customer's responsibility. Where applicable, professional installation or inspection is recommended. Built Supply Co is not liable for incorrect fitment, misuse, improper installation, or failure to follow manufacturer instructions.