Model: TB1303 Size: 137 MML, 9.6 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. : 9.5/10.5 KGS