Wera 05057431001 Diamond 1 Bit-Check (30 Piece)
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Questions & Answers
This set does not have an impact rating; instead, you should look for the impaktor sets. Though I've used both and haven't noticed a significant difference in bit life, the bit holder, which has three torsion zones on the impaktor sets, is primarily responsible for the extended life. That isn't present in this set.
Regular Phillips 1,2, and 3 are the red ones. The black ones are posidrives, which look like Phillips but have more slots in the grooves.
Selected User Reviews For Wera 05057431001 Diamond 1 Bit-Check (30 Piece)
There are no visible diamonds. The quality of these bits, however, is still superior to anything available in North America. This is something I would strongly suggest.
The set is of excellent quality and is extremely useful. It is well worth the investment. In addition, the vendor is a good one who ships quickly from England.
It's simple to get to the bit, it appears to be of good quality, and I like the way it's labeled.
I bought this set about a year ago and didn't notice the sandpaperlike coating on the tips of any of the bits until I looked closely. It still works fine, but it's not as good as the photos.
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