Copic Markers 12-Piece Cool Gray Set ✓ Free 60 Day Returns ✓ Free Express Shipping Description: Features: Premium alcohol-based markers made in JapanTwo Nibs (Replaceable): Standard Fine and Standard Broad (with additional nib options available for purchase)Ink is refillable with a separate ink refill product “Copic Ink” allowing you to save money and be friendly to the environmentSquare, rounded-edge barrel designed for comfortCompatible with the Copic airbrush systemConform to ASTM D-4236 Product Details: Manufacturer: ‎Too CorporationBrand: ‎CopicItem Weight: ‎12 ouncesProduct Dimensions: ‎4.31 x 1.63 x 5.75 inchesItem model number: ‎CCG12Is Discontinued By Manufacturer: ‎NoColor: ‎Cool GrayNumber of Items: ‎12Size: ‎12-MarkersManufacturer Part Number: ‎CCG12Date First Available: September 27, 2008