Professional design with amazing suspension force. This expands on the two opposing sides of the ribbed anchor as you tighten the screw, increasing the holding force. Self-drilling anchor bolts screws are made of carbon steel and galvanized finish, our drywall anchors are durable for use. Great for hanging various items on your home decor such as picture frames, wall sconces, curtains, clocks, plants, etc. Color: Gold Size: 30*11mm/30*7.8mm Product List: 10*In-Wall Screws