Model: TB1304 Size: 138 MML, 10.5 mmDia Pen body: stainless steel Accessories: copper steel Lead: metal core coats Packing: 1 PC/opp bag, 50 PCS/box, 500 PCS/box Carton size: 45 * 31 * 11.5 cm N.W/g.w. : 7.5/8.5 KGS