Samorez 3.9x19 (YHB) Wunder YHB 3.9x19 MUV is a high quality and durable mounting syrup. This congratulations are made of steel material in the sympathy, and it gives perfect results in fastening both wood and metal surfaces. Home Repair, industrial projects and furniture collection are widely used. This Syrup, which is produced by the Wunder Brand, has a high resistance to longevity, sturdy and corrosion. Its design provides fast, easy and effective implementation of work. With a powerful holding feature and sustainability, various environments can be easily used.