Screw size: 50 mm x 8 mm; 100 pieces (50 screws, 50 rubber dowels). High-quality plastic anchor bolts, pre-drilled mounting holes in the plasterboard, high strength, high durability, excellent rust and oxidation resistance, and a long service life. They are ideal for light walls, ideal for plasterboard, for attaching shutters and shelves. The unique design prevents the dowels from penetrating the holes during installation. Please refer to the dimensions shown in the picture and the actual dimensions after receiving the goods (minor deviations are permitted). Pre-drill the plasterboard, insert the plastic anchor, tighten the screw, and complete the installation.