The drill bits and extractor are of poor quality. The drill bits 1/8" & 3/16" broke very easily. Even with drilling slowly with cutting oil and only drilling for few seconds at a time I still broke all 4 1/8" drill bits and 1 3/16". I recommend purchasing high quality drill bits before starting the job. The extractor is also made of soft metal so it doesn't grip very well. It did work great to get the holes drilled straight.
Verified purchase: Yes | Condition: New
Worked as I had hoped it would.
Verified purchase: Yes | Condition: New
Made the job more accurate in drilling out broken pens.
Verified purchase: Yes | Condition: New
LIFE SAVER !!!
Verified purchase: Yes | Condition: New
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