Rush Awl Reamers, available in various sizes:
701 Rush Awl Reamer, diameter 6 mm (1/4"), length 10 3/8"
702 Rush Awl Reamer, diameter 5 mm (3/16"), length 10 3/8"
703 Rush Awl Reamer, diameter 3 mm (1/8"), length 8 3/8"
704 Rush Awl Reamer, diameter 2 mm (3/32"), length 6 3/4"
704-S Rush Awl Reamer, diameter 2 mm (3/32"), legnth 3 1/2"
Trials available.
Berivon is a registered trademark of that corporation.