1、When you tighten the screw, the cracks in the ribbed anchor expand on the two opposite sides to increase the holding force. The anti‑rotation structure of the expansion sleeve is designed so that it will not follow the drill rotation when the screw is tightened. 2、Plastic anchors are made of high‑quality materials, which is durable and not easy to break. 3、Drywall anchors are all packed in a durable plastic box for your convenience and storage. 4、The screw assembly adds a layer of white zinc coating anti‑rust process, and the thickness of the coating is thickened to 2μm to enhance the anti‑rust ability. 5、Wide applicability, you can use this kit to fix blinds or shelves, very suitable for artworks, lightweight kitchen accessories, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.