Material:The Picture Hanging Kit Are Made Of High Quality Stainless Steel. Heavy Duty Picture Hooks Is Sturdy And Reusable. The Nail Of Picture Hanger Is Not Easy To Bend.Installation:The Picture Hangers Are Easy To Nail To The Wall And Hold The Pictures.Ideal For Sheetrock, Plaster, Wood, And Drywall Surfaces.Versatile Painting Hangers In Size And Type To Meet Your Need In Small Pictures Or Heavier Paintings.(Supports:100Lbs 50Lbs 30Lbs 20Lbs 10Lbs)Reusable Nails Would Leave Only Small Pin Holes In Wall.Reduce Damage To Walls.Essential Hardware Kit In Home For Pictures Or Paintings.Package: 62Pcs Picture Hanging Set Include 36Pcs Nails,6 Size Of Picture Frame Hooks Including 10Lbs(6Pcs), 20Lbs(6Pcs),30Lbs(6Pcs), 50Lbs(4Pcs),75Lbs(2Pcs),100Lbs(2Pcs).