Ringlet Nailhead, Size 40, Solid Brass, Colonial Nickel Finish, 150 pieces per pack Brass Made in US 150 pieces per pack Heavy duty solid brass construction provides the highest quality finish Sharp prongs pierce most materials and curl over for the most comfortable fastening Made in the USA by C & C Metal Products Prong Length = 0.112 In., Assembled Height = 0.05 In., Diameter = 0.368 In