Burrite Tube Brush Product Type Burrite Tube Brush Stem Style Single Brush Material Stainless Steel Brush Dia 3/8 in Compatible Tube Outer Diameter Not Applicable Stem Diameter 3/32 in Brush Length 9/16 in Wire Dia 0.005 in Overall Length 2 1/8 in Compatible Tool Type Drill Operating Speed - Maximum 2 000 RPM