Mexican Sombrero Nailhead, Size 30, Solid Brass, Nickel Finish, 300 pieces per pack Brass Made in US 300 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 = 0.105 In., Diameter = 0.262 In