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Review on Enhance Drilling Efficiency with Koopi BI METAL Replacement Tools for Plastic Cutting by Ricardo Knight

Revainrating 2 out of 5

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Seems like a good buy. I was about to drill a hole in very thin sheet metal/aluminum. he was as big as a credit card. It worked, but the hex screw was removed with the hex tool provided. I sent it back to Hols for a refund. It would be nice if the hex screw was made of a harder metal.

Pros
  • Electric drill parts and accessories
Cons
  • I don't remember but there was something