1 x 1/2-28 Titanium Coated Thread Tap. Thread Tap Size: Approx. Die can be installed in die wrench using manual processing threads can also be. Thread Die Size: Approx. 1 x 1/2-28 Round Thread Die. 2PCS Gas Saver,Fuel Sync - Drive Farther,Save More Fuel Instantly, Automotive UK.
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