Anchors pre-drills precise gap in kinds of drywall ,no hole preparation required, manufactured from sturdy zinc , smoothly removed.Deep thread design presents stable engagement, locks into many sizes of drywall for maximum retaining power. Starts simpler than other self-drilling drywall anchorshanging accessories, artwork, shelving, mirrors, photo frames, shelf straps, ornament fixing, calligraphy, curtain rods and small ornamental shelves, and more.Hangs up to 50 lbs for Hanging and Mounting.Colour:silverMaterial:MetalSize:28mmPackage Contents:30 x anchor30 x screwOnly the above package content, different products should not included.Note: Light mirrored image and diverse exhibits can cause the colour of the article in the photograph somewhat diverse from the real thing. The dimension allowed error is +/- 1-3cm.