Features: new and high quality. The metal material anchors are very and not easy to be broken, resistance in bad environment like high temperature. Best quality drywall anchors, predrills precise hole in gypsum wall board. Anchor is equipped with head for easy application. Serration on both sides of its triangle head section makes anchor to easily hammer into drywall and provides better holding power., Weight: 0.81130112416 pounds, Manufacturer: Yoeruers