ITEM NAME:Plastic Self Drilling Drywall Ribbed Anchors Assortment with Screws Kit 200 M7Z3 Plastic Self Drilling Drywall Ribbed Anchors Assortment with Screws Kit 200 M7Z3 Expansion design: 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 Environmentally material: high-quality stainless steel self drilling screws,Plastic material anchors,no rust,corrosion resistance,anti-aging,good toughness good elasticity, good tensile strength, impact resistance, no rupture, strong hardness, strong expansion force, can prevent itself sliding in the wall hole, beautiful and practical products, small size, large load, wide range of uses, installation quick and easy , Improve work efficiency and installation quality. Easy storage: full-visibility packaging simplifies product selection and storage colour: gray+white+yellow+blue material: Stainless steel+plastic Packing size: 20*13.8*3.8cm Drill hole with efficient dril bit Clean the hole Embed the anchor through the object to be fixed Screw the anchors Precautions: Ribbed plastic anchors work with various diameter sheet metal screws. Perfect for anchoring in concrete, brick or wallboard. The anchor is corrosion resistant. A pre drilled hole is required. Product packaging: 10PCS yellow 6 * 25 with self-tapping screws 10PCS yellow 6 * 30 with self-tapping screws 10PCS yellow 6 * 40 with self-tapping screws 10PCS yellow 8 * 40 with self-tapping screws 10PCS Blue 6 * 25 with self-tapping screws 10PCS Blue 8 * 38 with self-tapping screws 10PCS gray 6 * 26 with self-tapping screws 10PCS gray 6 * 30 with self-tapping screws 10PCS white 8 * 60 with self-tapping screws 10PCS white 8 * 80 with self-tapping screws Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the pictu.Perfect for anchoring in concrete, brick or wallboard. The anchor is corrosion resistant. A pre drilled hole is required. Expansion design: 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.