Adjustable Hole Cutter Strong Steel Aircraft Saw Cutter Wood Drywall Drill Bit

1 X Hole Saw. Alloy blades, cutting smooth, the hole wall are smooth and no glitches, good effect of the. Two blades reach drill center distance are equal, can open hole. 1 x Center Drill Bit. Two blades reach drill center distance are not equal, can get concentric rings and circles.

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