Faber Castell 167102 Pit Artist Pens, Set of 4, Sang-in Assortment, 188, S, F, M, B Description The acid-free water-based pigment ink is made with pure pigment that has a high level of color and transparency, smear-proof and non-bleeding. It won't bleed through once it is adhered to paper, making it ideal for use with watercolor pencils and other art materials. (From Amazon.co.jp) Features: Product Number: 167102 Product Details: Brand: Faber-Castell Ink Color: Multicolor Number of Items: 4 Point Type: Medium Special Feature: Refillable Manufacturer: ‎ファーバーカステル Brand: ‎Faber-Castell Item Weight: ‎1.49 ounces Product Dimensions: ‎3.94 x 1.97 x 7.87 inches Item model number: ‎F167102 Is Discontinued By Manufacturer: ‎No Color: ‎rötel Closure: ‎Snap Material Type: ‎Plastic Number of Items: ‎4 Size: ‎4 Count (Pack of 1) Point Type: ‎Medium Line Size: ‎2 millimeters Ink Color: ‎Multicolor Manufacturer Part Number: ‎167102 Date First Available: April 9, 2009