Material: Band and hosing made from ANS#410 stainless steel. Worm screw made by S45C.
Special patent structure of this element takes shape with mechanical type,The element with high torsion (60 kg / cm2 of 9W, 80kg / cm2 of 12W) and high stability.
Special process of the bands brims, no burr, no damage to the hoses surface.