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Can You Sharpen A 3 Hole Punch?
Pull off a piece of aluminum foil. For a three-hole punch, make sure the foil is long enough to cover all three holes so the blades are sharpened easily. For one-hole and decorative punches, pull off enough to sharpen all the punches at once.
Sharpening Cheap Chinese Hole Punches
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CHEAP hole punch turns into SCARY sharp!!! | HOLE PUNCH SHARPENING
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How To Sharpen A Hole Punch Tool (Dull Hole Punch From China)
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