
The bits seem strong enough for the price, have been used quite a bit, show no signs of wear and fit perfectly with all the small screws I've tried. I took 2 stars off the rating because the bits are not very tight in the screwdriver and sometimes fall out when unscrewed from the screw and one of the retaining balls on one of the bits accidentally fell out during a couple of weeks of ownership which have made that a little looser. Despite these shortcomings I would recommend this to anyone looking for a decent cheap precision driver for occasional use, I've had no problems with the actual function of the bit and for the price it's good. Update 10/13/2017: Another star was deducted because one of the balls holding the bit in the screwdriver fell out, further exacerbating the problem of the loose bit. Again the bits are good for screwing and ok for the price but I wouldn't buy it again as the bits don't stay in.

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