Pentel XGFP-137X Colour Brush Perm Grey
"Colour Brush" GFP. Nylon brush tip pen filled with PERMANENT ink. 3 vibrant colours to choose from. Create beautiful, vivid, translucent, watercolour effects. Valve-activated for smooth flow, without leaking. Synthetic fibre tip retains its shape. Convenient, portable alternative to traditional brushes. Refillable cartridge.