【High-quality materials】Bolts and anchors are made of high-quality metal and plastic materials, with high strength and good corrosion resistance, not easy to break, strong and durable. 【Easy to use】Just drill a hole in the wall with the same depth and diameter as the expansion anchor. Then push the expansion anchor into the wall and turn the screw clockwise so that it is aligned with the expansion anchor. 【Special design】The special butterfly design of the drywall anchor increases the fixing force. When tightening the screw, the gap in the rib anchor widens on both sides, which increases the clamping force and prevents the screw from rotating in the drill hole. 【Wide range of applications】 Suitable for installing TV brackets, cabinets, shelves, lamps, curtains on the wall, very suitable for installing or hanging various objects, benzene boards, decorative boards, asbestos boards, hollow boards, solid boards, etc. 【Package content】 Including 50 butterfly expansion anchors + 50 aircraft