The genuine Fischer 541108 DUOPOWER Profi-Box is a comprehensive dowel and screw assortment designed for professional use. This set includes 100 DUOPOWER 6x30 dowels, 50 DUOPOWER 8x40 dowels, and 20 DUOPOWER 10x50 dowels, along with 100 screws 4.5x40, 50 screws 5.0x60, and 20 screws 7.0x69. The DUOPOWER dowel combines two material components for intelligent power transmission, ensuring high load-bearing capacities and secure fixings in a wide range of building materials such as concrete, solid brick, perforated brick, aerated concrete, and plasterboard. This professional box provides an organized solution for various fastening tasks.