per page
Carbon Steel Bolt Hole Cleaning Brush: 10mm\3/8".
Nylon Bolt Hole Cleaning Brush: 10mm\3/8".
Carbon Steel Bolt Hole Cleaning Brush: 12mm\1/2".
Carbon Steel Bolt Hole Cleaning Brush Diameter: 16mm\5/8"
Carbon Steel Bolt Hole Cleaning Brush Diameter: 18mm\3/4"
Nylon Bolt Hole Cleaning Brush: 5/8" * recommended for 8mm Twist Bolts