High Quality and Durable: The picture hooks are made of solid brass, stainless steel and metal. Our heavy duty multi-purpose picture hanger is stainless, strong and durable. These multi-function hooks could afford items weighing up to 50kg. Reduce damage to walls: A strong hanging tool kit can reduce damage to walls. The hooks and nails are safe and stable that won't form huge holes in your wall by sliding. Only small nail hole after removal on the left which can be easily covered with paint. They are unscrewed with tools and can be reused. Multifunctional Picture Hooks:Picture hanging kits are very suitable for hanging pictures, artworks and decorative items , wall prints, mirrors, kitchen utensils, home, garden or workplace decorations. For plasterboard, drywall, wood and fences. Easy to use: The versatile metal picture frame kit is easy to use. No drilling required, choose the right size, place it on the wall and lightly press the nail. The bearing is weighted according to the weight of the hanger to make it stronger. Picture hanger kit: the package contains 20 frame hooks and 40 copper head nails enough for daily use . Packed in a storage box for easy storage. Note: Not suitable for support walls, marble walls, glass walls and ceramic tiles. Do not hesitate to contact us if you have any questions.