Tombow Set of 6 Mono Edge Markers New dual-tip markers with bullet and bevelled tips. The unique design of the plastic caps helps maintain the shape of the tips even after use with metal rulers or templates. Vibrant colours are perfect for coding planners and agendas. The fine tip is perfect for underlining text or writing marginal notes. Quick-drying ink. Bullet tip: 0.8 mm. Classic tip for a medium stroke. Bevelled tip or chisel: 3.8 mm. Water-based, acid-free ink. Colour: yellow, coral, pink, purple, sky blue and green.