Prime Source 16HGBX Hot Galvanized Box Nails Prime Source 16HGBX Hot Galvanized Box Nails Features: Large flat head, diamond point 50 lb box 71205: 3D, 1-1/4" length, 14-1/2 gauge, 7/32" head, 588 per lb 71206: 4D, 1-1/2" length, 14 gauge, 7/32" head, 453 per lb 71208: 5D, 1-3/4" length, 14 gauge, 7/32" head, 389 per lb. 71209: 6D, 2" length, 12-1/2 gauge, 17/64" head, 225 per lb 71211: 7D, 2-1/4" length, 12-1/2 gauge, 17/64" head, 200 per lb 71213: 8D, 2-1/2" length, 11-1/2 gauge, 19/64" head, 136 per lb 71215: 10D, 3" length, 10-1/2 gauge, 5/16" head, 90 per lb 71216: 12D, 3-1/4" length, 10-1/2 gauge, 5/16" head, 83 per lb