The TAP-N-GO 2-line nylon trimmer head for McCulloch weed trimmers is compatible with the ET270, MAC60, MAC65, MK1, MK2, MK3, MT280x, MT300x, MT302x, MT310x, MT370x, PROMAC, T28, T29, T31, T32, and other models. It features a 16mm hex with a US 18G5/16" D thread for easy and efficient use.
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