1) Models: 6D, 8D, 10D, 12D, 16D, 20D, 30D 2) Technical standards: a) Length: 1-3/4" - 4" b) Diameter: 0.113" - 0.207" 3) Flat heads, double-headed, diamond point, polished 4) Bulk duplex nails with diamond point 5) Finish: bright finish, electric galvanization, HD galvanization and mesh galvanization 6) Smooth shank 7) Material: wire rod Packing: As per customers'' requirements