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DIABLO adapter nut set.
• This kit includes 2 adaptor nuts 1/2 in thread adaptor nut fits hole saws from 9/16 in to 1 3/16 in diameter
• 5/8 in thread adaptor nut fits hole saws from 1 1/4 in to 6 in diameter
• Snap-Lock mandrel system for a quick and easy change
• Tool free plug ejection for fast material removal
• Drills wood, metal and plastic.