Syrup 3.5x25 (YHB) MUV WUNDER YHB 3.5x25 MUV is a mounting syvin for high quality and specialty construction materials specifically to fasten fine and light construction materials. This constructed constructive steel material provides a solid and reliable holding of steel material. It is widely used in the wall and ceiling, in the wall and ceiling, in the interior mounts. This product produced by the Wunder Brand is longevity and provides high resistance to corrosion. It is an ideal choice for quick and convenient carrying of things.