One of our most popular and highest quality brush pens. Permanent black ink is both water and fade resistant. Leakproof fittings and a measured ink flow guard enables consistent writing and drawing. Durable, premium bristles can be used to create a wide range of line sizes in a single stroke. Its portability makes it an ideal alternative to painting when on location. Refillable with Pentel FP10 cartridges. Pen comes with two refills.