The Fischer Frame Fixing SXR 10 X 160 Z is a pack of 12 high-quality frame fixing plugs designed for heavy-duty anchoring in concrete and masonry. These plugs feature an expansion force-free installation which allows for smaller edge and axial spacing. They offer a versatile solution for multiple building applications, including the secure fixing of door and window frames. Made by Fischer, a reputable brand in the construction industry, these frame fixings are known for their durability and strength.