Premium Quality---It is made of iron high quality with cyan bronze color, features square head metal pin. Package content including 50pcs upholstery nail tacks, which can meet your needs. Easy to Install---The piercing point is of sharpness, the fastening function is strong and it is convenient to install. Wide Application---It is perfect to secure paper items, DIY cards or photos onto cork board. The product is full of retro style, perfect for decorating your furniture. DIY Decorations Kits---You can use these upholstery tacks as decorations on sofa, beds, wood crafts, walls,or you can use them to fix maps, photos and other lightweight stuffs. Proper Operation---Requires proper tools like needle nose pliers and light weight tack hammers to install them. Not using pliers will cause bending. So please don't use your fingers to hold them while hammering.