Readynail, 30 piece, 20 lb maximum, conventional hook tidy tin, hands free nailing, you don't have to hold the nails on the frame while hammering them in, great for hanging artwork around your home or office, nails are re-usable & will not damage walls, ideal for drywall & plaster wall surfaces, ideal as tool box stuffers or to keep in your kitchen drawer, reusable storage tin.