1.Anchors pre-drills precise hole in types of drywall ,no hole preparation required, made of durable zinc , easily removed.
2.Deep thread design provides strong engagement, locks into many sizes of drywall for maximum holding power. Starts easier than other self-drilling drywall anchors
3.hanging accessories, artwork, shelving, mirrors, picture frames, shelf straps, decoration fixing, calligraphy, curtain rods and small decorative shelves, and more.