Deep-Cavity Nylon Four-Wing Knot Expansion Plastic Wall Anchor for Kitchen Cabinet Hollow Brick Fixing Product Description The M8 x 60mm Nylon Four-Wing Knot Expansion Wall Plug is a deep-cavity plastic fastening solution engineered for kitchen cabinets, wall units, and heavy storage furniture on hollow brick and cavity wall surfaces. The anchor features a reinforced four-wing knot-expansion body made from industrial-grade PA6 nylon with thickened wing hinges that resist