Pentel EnerGel Gel Ballpoint Set Pen, 0.7mm, 3-Color BL77-3STH

[Features] This set includes EnerGel's black, red, and blue inks, as well as subtly colored black inks in olive black, burgundy black, and indigo black, available in various ballpoint sizes. [Core diameter] 0.7mm [Ink Colors] Black/Red/Blue [Package size/weight] 50 x 19 x 178 mm / 50 g [Materials] Front and rear shafts: Brass; Cap: ABS with nickel-chrome plating; Clip: Iron with nickel-chrome plating; Box: Paper