Microtimes Round Large-headed Upholstery Nails/tacks 7/16" Natural French Nail Tacks Antique Brass 100pcs Durability: If using a tack hammer, these nail heads work just as intended. They are strong and did not bend or break off. Color: These nail heads are all the same color which is good! Worked Great for the crafts doing with the Grand kids! Made by Steel with high grade double layer Antique Brass Electroplating (Some calls French Natural) Size: Head Size : 7/16" (11mm) Shank Length : 5/8" (17mm