New thermal treatment shafts with low-profile shark fins from MVD. They are made of stainless steel 17-7 HRC 47, and the welding process is achieved with lasers.

• Lengths: 80cm to 125cm with two shark fins.
• Lengths: 130cm to 150cm with an additional helper shark fin.
• The last shark fin of the shaft is located 5cm from its tail.