DUOYI DY28 Car Double Hole Spark Plug Tester, US Plug, DUOYI US Plug % Emergency Tools cutting meat is effortless and

cutting meat is effortless and easy

Built-In Date Wheel Located On The Lid

Carton Size 41cm * 31cm * 40cm / 16

1 file general program: smooth sound

Loading Container 20GP: 448 cartons * 2 pcs = 896 pcs

DUOYI DY28 Car Double Hole Spark Plug Tester, US Plug, DUOYI US Plug % Emergency Tools cutting meat is effortless and1. It has two testing holes, you can test two spark plugs meanwhile and and if you suspect any spark plug works improperly you could compare and test to make accurate judgment. 2. Adjustable double hole car spark plug tester detector Ignition Plug Analyzer Diagnostic Tool 3. Usage: Test spark plug performance and ignition strength 4. Application Range: 12V Gasoline vehicles car spark plugs 5. Car Spark Plug Tester User Manual: (1). Place the Spark