ΣΥΛΛΟΓΗ ΕΞΩΛΚΕΙΣ ΒΙΔΩΝ JBM

Manufactured from a thermal treatment of chromium molybdenum steel.
Achieves rapid extraction with the aid of the helices acting as screw.
Measurements:
No. 1 1/8 - 1/4 (M 3-6)
No. 2 1/4 - 5/16 (M 6-8)
No. 3 5/16 - 7/16 (M 8-11)
No. 47/16 - 9/16 (M 11-14)
No. 5 9/16 - 3/4 (M 14-18)