Find out why many professional stripers prefer the softer 2 Inch squirrel bristle and tighter control with there quality constructed brushes. Mack Series 10, #000 Narrow Pinstriping Brush is exclusively designed for quality pinstriping. Treated ferrules keep bristles from pulling out. Rounded handle and ferrule makes it easy to roll the brush around curves. Packed individually in plastic storage tube 3 additional sizes available and sold separately: #1, #0, #00