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Number of pieces: 31 pieces (handle + 30 heads) to cover a wide range of precision screws.
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Material quality: The heads are made of chromium-vanadium (Cr-V) steel , which provides corrosion and rust resistance with good durability for repeated use.
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Various types of bits: These include types such as PH (Philips), SL (flathead screwdrivers), Torx, hex bits, and possibly small custom bits for electronic devices.
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Compact and comfortable handle: A handle designed for a rubber or knuckle hand to provide a good grip and prevent slipping, with a suitable size for precise manual use.
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A secure display case: The colorful box containing the pieces comes in an organized manner, making them easily accessible and protecting them from loss or damage.