?1.Best Quality Drywall Anchors, Pre-drills precise hole in gypsum wall board - No hole preparation required,Starts eer than other self-drilling drywall anchors ?2.The plastic material anchors are very durable and not easy to be broken, drywall self-drilling screws kit is made of high quality stainless steel, which features is strength and offers good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and the excellent of oxidation resistance, which can ensure long time using and prolong screws lifespan. ?3.The split in the ribbed anchors expand on two opposing sides as you tighten the screw , increased holding power,Anti-rotation structure design of the expansion sleeve, tighten the screw will not be followed in the drilling rotation. ?4. These drywall anchors and screws is perfect for hanging a wall shelf in fairly soft drywall. You can use the kit to hold your blinds or shelf, and the ribs on the plastic drywall anchors prevent the anchor from turning in the hole during installation. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.