Weiler 21115 Power Tube Brush, Double Stem/Double Spiral, 1", 0.104" Steel Wire Fill, 2 1/2" Length Pack of 10

Four Stem Wires and a Double Spiral of Straight Wire Fill Material Provides an Aggressive Cleaning and Deburring Action Designed for internal cleaning and deburring applications in tubing, pipe, drilled-and-tapped holes, and machines bores and passages