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Drill holes of every size and shape in even the hardest material with Diamond Coated steel bits. Use in rotary tools or bead reamers for a smooth even hole. Kit includes 5 ball, 7 cylinder with flat tops, 6 cylinder with round tops, 1 sharp cone, 1 tree, 3 points, 1 cone, 2 bullets, 1 echelon, 1 long point, 1 flat cone and 1 long sharp cone burrs.
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