The Fischer FIXtainer Duopower dowel set consists of 210 short and long nylon dowels for the most common applications and building materials. This intelligent two-component dowel is suitable for fastening all types of building materials and ensures a secure hold. It automatically adapts to the building material and transfers the highest loads through its three product functions: folding, stretching, and knotting. The long version is perfect for a stronger anchoring in problematic building materials and older structures. The assortment box is easy to transport thanks to its large handle, and the click system allows multiple boxes to be connected together. Additionally, Fischer dowels can be used for a variety of masonry and woodworking tasks around the house, garage, and workshop. Dowel length: from 30 mm to 65 mm.