Primrosia 100 Dual Tip Marker Pens, Fineliner and Watercolor Brush Pens for Art Sketching Illustration Calligraphy or Journals Drawing Coloring EMILYPRO 9 cm Weight: different woods VANTTECH 9 cm Weight: different woods have different weights Quantity: 5 x Black walnut pen blanks 5 x Purple heart pen blanks 5 x Africanpadauk pen blanks 5 x Bubinga pen blanks 5 x Cherry pen blanks 5 x Merbau pen blanks Notice: Manual measurement EXPAND YOUR ECOSYSTEM: Expand your smart lighting system with Hue accessories (sold separately) such as a Hue Dimmer switch It will not work with a thin bond (like photocopy) paper Use as a marker for solid color and color blends or add water for a watercolor effect (only when used on heavy watercolor paper)