Pentel Knock Gel Ballpoint Pen Kirari, 0.7mm Tip, Sakura Color Body, Black Ink (XKL307P-A) Pentel Knock Gel Ballpoint Pen Kirari, 0.7mm Tip, Black Ink, Sakura Color Body Smooth Gel Ballpoint Pen, Kirari from Japanese stationary brand Pentel. Kirari is available for Fude Pen, Ballpoint Pen and Mechanical Pencil Model: XKL307P-A