Our wall anchors are made of tough reinforced nylon plastic material, and the drywall screws are made of exceptional metal material that is strong and durable for long-lasting use. Manufactured with durable plastic to last for years. The deep thread design provides a strong engagement in 3/8", 1/2", or 5/8" drywall panels, gypsum boards, Sheetroc. Provides a strong engagement, locks into drywall panels for maximum holding power. Self-drilling metal fasteners with screws for use on all types of drywall. Quality drywall anchors, pre-drill precise holes in the drywall wallboard. No hole preparation required. Good options for installing on drywall panels, wall, partition wall, etc. Very suitable for hanging wall cabinets, shelf straps, picture frames, curtains, and much more. Package includes 25 plastic anchors, 25 #8 x 1-1/4 inch screws. Products include: Self-drilling nylon wall anchors: 13 x 40 mm, 25 units. Self-tapping screws: #8 x 1-1/4, 25 units. Usage method: a. Place the Phillips #2 screwdriver into the anchor hole. b. Press into drywall panels while turning the anchor clockwise until it is flush with the wall. *A pre-drilled 6mm hole may be required for denser drywall boards. c. Place the accessory in position over the installed anchor. Insert screw with screwdriver. Tighten the accessory in place. Scope of use: Drywall. Product advantages: 6 rust-resistant nylon anchor, corrosion resistance, aging resistance, both lightweight and strong. Can be easily removed. Matters needing attention: Choose the correct drill bit before drilling the hole. Use gloves to protect your hands, ensure safety when performing carpentry work.