● Specifications: Comfortable marking. Equipped with newly developed biku-nya·inku, slim body in 4 colors smooth oil-based ballpoint pen. ◆ Material: Front Axle: Play PC, after axis: PC slider: Pom, grip: Elastomer ◆ ◆ ◆ body size: 18 × 13 × 144 mm body weight: G ◆ ink color: black, red, blue, green ink pens composition: oil-based pigment dye + ◆ mechanism: retractable ◆ adaptation refill: xbxs7 – A, xbxs7 – B, xbxs7 – C, xbxs7 – D