Samorez 4.8x16 (YSB) Wunder YSB 4.8x16 MUV is a high quality and sustainable mounting surr. This syrup was made of steel material and is effective in fastening of both wood and metal surfaces. Home Repair is an ideal choice for industrial projects and furniture harvest. This Syrup, produced by the Wunder Brandi, has longeval, strong and corrosion properties. Its design allows work to perform fast and easy. Thanks to strong holding and durability, it can be easily used in different environments.