The ShinHan Touch Twin Brush Marker offers a wide assortment of brilliant colors that are ideal for animation, illustration, architectural, and interior design sketches. With a fine brush nib on one end and a medium-wide chisel nib on the other these markers allow for a wide range of possible marks. The brush nib gives artist the flexibility and technicality of a paintbrush with smooth blending capabilities. Touch Twin Maker s brush nibs are durable and resists losing firmness over time. These makers boast optimal ink flow and fast drying times. The ergonomic, easy grip barrels can be refilled with and with more odorless ink and their nibs are replaceable.