Let's start with the fact that I'm in India and humidity is a big problem here. The bits seem to me capable of rusting (and I've read a lot about this) so I keep them clean and oil them after use. But the quality is really good, they go through wood or brick without much effort. I'm no expert on beats, but so far I'm satisfied. I highly recommend this if you are an amateur user.
Bit set DeWALT DT7969-QZ, 32 pcs.
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Cordless drill driver BOSCH GSR 120-LI (06019G8020/06019G8000)
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Tool set Stels Tool set, 1/2", 1/4", CrV, plastic case 94 pcs, Stels, 94 pcs, black
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๐งฑ Bosch 2607017164 Piece Setter Masonry: Advanced Tools for Precision Masonry Work
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