Specifications Umbrella head roofing nails  1. Diameter: 9bwg to 13bwg  2.Length: 1-3/4" to 3"  3.Electro-galvanized  4. Packing i Umbrella head roofing nails  Size: BWG9-BWG13 Material: Q195/Q235 iron wire Characteristic: well-distributed and shiny surface, long and spiky nail tip, stright and smooth shank Surface:Electro galvanized Packing: In wooden carton, Bluebox inside. 7pond x 16 boxes In wooden carton, In 20kg, 30kg, 35kg, 48kg Carton of 20kg, 25kg Carton: 25kgs/carton/7bls/boxes, 8boxes/carton Gunny bag: 25kg, 50kg or as your request packing