Burrite Tube Brush Product Type Single Spiral Tube Brush Stem Style Single Brush Material Steel Brush Dia 5/16 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 1 900 RPM Package Quantity 10