Features:

• Quickly and accureately check compression on petrol engine
• Quickly diagnose worn piston rings, burnt valves and bad head gaskets
  Professional quality, works on most domestic and foreign engines 
  • Completed kit comes with adapters for most applications
  • Check the condition of your piston ring & valve seats
  • 3" gauge features dual color scale. 
    0-300 PSI 
    0-20 kPa
  • 4 Spark plug thread adapter: 
    M8 x 1.5 
    M10 x 1.0 
    M12 x 1.25 
    M14 x 1.25
  • 400mm flexible extension
  • 2 Pc rubber cones ends for quick check (No need to thread into head)
  • Blow mold case included