Round Power Tube BrushPower tube brush offers a durable, continuous length of steel wire for steady grip. A single spire of crimped wire frill allows flexible brushing action. Use fully chucked on smooth or threaded blind holes. Applications: Deburring and cleaning drilled holes and internal threads, Cleaning and finishing internal diameters of pipes and tubes, Deburring and cleaning internal keyways and grooves, Carbon removal, Crosshole deburring.; Brush Length: 1 in; Diameter: 3/4 in; Overall Length: 3 1/2 in; Stem Diam: 7/32 in; Stem Material: Stainless Steel; Used With: Power Drills, Flexible Shaft Tools; Wire Material: Steel; Wire Size: 0.0060 in; Weight: 0.04 lb.