PB land Tools Bit Holder most 1/4 '' screwdriver bits, including PB land C6 and E6 PrecisionBits. with the best ! . PB land Tools, established in 1878 and operating as a family business, a full range of hand tools for professionals and craftsmen who insist on the highest standards of quality, durability, and precision. Today, the products are still entirely in the Emmentaler region of Switzerland and are produced with sustainability in mind. PB land Tools has over a century perfecting the nonesuch blend of quality spring steel alloys and distinct heat treating processes to develop hand tools of unrivalled quality, unexceeded precision, toughness, flexibility, and performance. All PB land Tools products with an straight-out lifetime guarantee. PB land Tools manufactures according to the following standards : SQS. . . : ISO : 9001, ISO : 13485, ISO : 14001, OHSAS : 18001, FSC C008912 : FSC COC 100 %.