Mitsubishi Pencil Gel Ballpoint Pen Refill Signo RT 0.38 [Black 10 pieces] UMR83 UMR83.24 The outer box of the ballpoint pen is not included. 800 Pattern: Single item Color: Black Ink Color: Black Brand: Mitsubishi Pencil Product Dimensions (Length x Width x Height): 18.8 x 5.8 x 2.8 cm Point Type: Extra Fine About this product 10 refills Ball diameter: 0.38mm Ink color: Black Gel ink Shaft diameter: Diameter 6.0 x Total length 112mm Product Description Color: Black | Pattern: Single item [Signo's smooth writing feel, gel ink] This is a refill for the Signo capped gel ink ballpoint pen. It achieves a smooth writing feel with excellent durability and light resistance. Because it is pigment ink, it does not bleed in water, is fade-resistant, and leaves vivid lines that last. Type of writing instrument: Ballpoint pen Pen function/material: Refill/Refill