[Product Features] ■ nib and paper designed to reduce the friction resistance of the corners of your adopted "ezziresutippu" tip Tip that was lost to reduce the friction resistance of the nib and paper, the smooth and improve. The corner that allows us to paper to reduce snagging on the market. ■ reviewing your ink formulation, the smooth and light up feature allows you to review, ink color is vibrant and write with ultrafine 描線 without bleeding ink formulation as it is, smooth and improve your life. Ink formulation in the back and allows us to our traditional to adopt ezziresutippu Retractable Ball Pens "for Mitsubishi Pencil RT 0.5 mm, 0.38 mm is about 20% less than" and is approximately 10% reduce the friction resistance, more smooth marking and writing implements. Ink Color is popular at range and comes with 10 different colors. ■ Image of office, writing and wiping with a simple "wanmo-syondezain" shank is textured, grip and shaft are in a different material and color to color one piece so dont stand out when you get, flowing like a simple stem design. Replacement tip: 0.28 mm → rr-umr-p9u1 – 82 – 83 ink pen refill: 0.5 mm ink pen refill: 0.38 mm → rr-umr-p9u1 → rr-umr-p9u1 – at-85 N