1. Dimension: . BM-320: dia. 10 x 134 mm (L) . BM-717: dia: 12 x 137 mm (L) . BM-3027: dia. 11 x 127 mm (L) 2. Weight: . BM-320: 10 mg . BM-717: 16 mg . BM3027: 18 mg 3. BM-717 is 2-colored ball pen 4. Most of our pen shapes can be made as gel pen, ball pen and mechanical pencil HS Code: 9800.1000.00