permanent and great UV resistance

Line width: 3

The Pentel Colour Brush Pen FR-101 refill in black lets you keep your Colour Brush going without having to buy a whole new pen

and even through dust

Professional mechanical pencil from Uni Mitsubishi Pencils in Japan

caran dache water reservoir brush pen medium hidden-product permanent and great UV resistanceAchieve smooth, controlled washes with the Caran dAche Water Reservoir Brush Pen in medium size, perfect for all water soluble techniques on paper. Designed for use with watercolours, water soluble pencils, graphite, gouache, and more, this versatile brush is ideal for both detail work and mid sized areas. The medium, flexible tip allows precise strokes while still providing enough coverage for larger shapes and textures. Its transparent plastic body