Length: 145CM, Diameter: 8.5MM Tip size: 0.7MM Pen Tube: Acrylic Pen weight: 6.7g Name: Mechanical PencilModel: HS-083ER Length: 147.5CM, Diameter: 8.5MMTip size: 0.7MMPen Tube: AcrylicPen weight: 6.5gColor: blue, sky blue, brown, violet, red, green, grey, pinkPacking: 12pcs/box, 150Boxes/carton, 13.5kg/carton, Means: 39*33*33CM mechanical pencil