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I saw a post by Gil regarding the size of the socket needed to remove the spark plug of one of Jin Machine's M90 hit and miss engines. Since I did not have that socket and figure eventually I will want to remove the spark plug...I ordered one off Amazon for the princely sum of $3.44 USD including free one day shipping. It arrived today and fits perfectly.==============================================OEMTOOLS 22322 8 mm Metric Deep Socketby OEMTOOLS4.8 out of 5 stars 16 customer reviews | 3 answered questionsPrice: $3.44 Free Shipping for Prime Members & FREE Returns==============================================How can you beat that price vs. breaking the plug using an ill fitting wrench? Rog