Detailed Product Description ItemNo: BL-115 Durable stainless steel tip 0.5mm fine line for note, carbons and general writing; Expressive liquid ink for consistent writing and line density; Ideal for home, office and school Ball:0.5mm dia Tip:stainless steel inkBlack,Red,Blue,Green Packing Uints6pcs/pack, 300pcs/box; 1200pcs/ctn Carton Details:44.5*33*43cm, N.W18kg G.W.19KG