There is an almost unlimited number of types and variations of bits. Examinations and tests however show that hart metal or diamond coatings quickly wear off and loose their function. The most important characteristic of qualitatively good bits are a distinctive tenacity with at the same time a high hardness and their exactness.The PB Swiss Tools PrecisionBits?assortment fulfills these requirements. Our universal bits for all applications simplify the storage and the overview.The coloured nano technological coating is an attractive protection against rust. Thanks to the colour coding, you have the right bit at hand in a short time. The supplementary labelling of the sizes through the coloured rings in addition makes your daily work easier.