Specification φ10.2mm×145mm, 4.8gram/pen, 2.8gram ink/pen Barrel Round Barrel Spec. 1 Fiber bullet tip, 1.0mm Color 12 colors: Lemon Yellow, Tangelo Orange, Scarlet Red, Magenta Pink, Violet, Plum, Lime Green, Forest Green, Cyan Blue, Indigo Blue, Chocolate Brown, Black