Description

This cork borer is used to cut holes in a cork or rubber stopper to insert glass tubing. They are made of plated sharpened brass tubing, with attached handles. The set also includes a steel punch.
The set includes 11 cork borers to make the following hole sizes:

1 – Hole Dia.: 5 mm (0.19″)
2 – Hole Dia.: 6 mm (0.25″)
3 – Hole Dia.: 8 mm (0.31″)
4 – Hole Dia.: 9 mm (0.34″)
5 – Hole Dia.: 10 mm (0.39″)
6 – Hole Dia.: 11 mm (0.44″)
7 – Hole Dia.: 13 mm (0.5″)
8 – Hole Dia.: 15 mm (0.61″)
9 – Hole Dia.: 16 mm (0.63″)
10 – Hole Dia.: 17 mm (0.69″)
11 – Hole Dia.: 19 mm (0.75″)