• High-quality material: the expansion wall plug is made of high-quality PP material with good flexibility, which is not easy to break. The self-tapping screws are made of high-strength carbon steel, which is corrosion-resistant and oxidation-resistant, durable for long-term use. • Easy to use: simply use a drill to make holes at the marked points, then hammer the wall anchor into the hole, place the fixing parts, and finally use a screwdriver to screw the self-tapping screw into the wall anchor for fixation. • Practical design: the split in the ribbed wall anchors adopts an expansion curve design, it will expand on two opposite sides while you tighten the screw, which greatly enhances the anchoring force, preventing the wall anchor from rotating in the hole. • Wide applications: suitable for installing and fixing tools, kitchen tools, electrical equipment, shelves, lamps, mirrors, photo frames, curtains, TV brackets, hooks, etc. Ideal for the garden, home, and office, etc. • Package includes: you will receive 55 yellow extension wall plugs and 55 matching self-tapping screws, 3 sizes of M6 x 30 mm/M6 x 40 mm/M8 x 40 mm. It can be used for solid bricks, concrete, lime sand bricks, high-porosity bricks, and other wall materials.