Material: Band and housing made from ANSI#410 stainless steel. Worm screw made from 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 band's brims, no burr, no damage to the hose's surface.