Model: TB1222 Size: 134 MML, 10.6 mmDia Pen body: copper Accessories: copper steel Lead: metal core coats Packing: 1 PC/opp bag, 50 PCS/box, 500 PCS/box Carton size: 45 * 31 * 12.5 cm N.W/g.w. : 10.5/11.5 KGS