The Granit 7889114304 professional bit set features 42 pieces, all with a 10 mm (3/8 inch) drive, designed for robust use in workshops and agricultural machinery maintenance. This comprehensive set includes a variety of bit types: TX (T20-T60), spline (M5-M12), hexagon (5-12 mm), and Ribe (M5-M12), ensuring versatility for numerous applications. The bits are crafted from high-quality S2 steel for durability and long service life. The set is neatly organized in a sturdy plastic case, providing convenient storage and transport. Ideal for mechanics and technicians working with various fasteners.