Trekell’s Spectrum line is made from innovative synthetic fibers, that have the sharpness of a deluxe animal hair brush, but the durability of a brush you can depend on. These Spectrum brushes are made on 10" long, black and silver handles. During those tough times when other brushes might lose their shape, a Spectrum brush will still have that next-level snap. Not only does that make it a great introductory brush – since it will do the job, no matter the job, for a long, long time – but just a great oil or acrylic brush in general.