The Berner 081917 is a genuine Berner 3-piece magnetic adapter set, designed for secure bit retention and versatile fastening applications. Each adapter features a 1/4 inch hexagon drive and output, ensuring compatibility with standard hex bits and power tools. Constructed from robust, nickel-plated steel, this set provides durability and corrosion resistance. It includes adapters of three distinct lengths: 50 mm, 100 mm, and 150 mm, offering extended reach for fasteners in various depths and confined spaces. This professional-grade set is ideal for workshops, industrial environments, and automotive repair.