Our hw Brass-Saver set for baritone is the easiest and safest* way to clean saliva and corrosive mineral deposits from the inside of your horn. The patented design features a non-metal flexible lead pipe/slide brush (approximately 1" Diameter and 42" Long) that won't scratch or get stuck, and a double-ended valve casing brush for a complete maintenance kit. The special fiber will not shed, shrink, or swell, can be used wet or dry, and stands up to the chemicals in cleaning solutions. Protected by us patent #6, 868, 575. Not recommended for instruments with interior sharp edges.