Check out our very wide range of flat head upholstery tacks. They are available in different sizes, shapes and also different colors. They fit perfectly to secure the upholstery tacks on a strip creating a unique product. The diameters of our flat head thumbs tacks range from 9mm to 28mm. Made of high-quality materials and with their different fishes, these flat head upholstery nails are strong and corrosion resistant. Try them and discover their unlimited uses.