material: stainless steel304, galvanized steel 

band 8mm,10mm,12.7mm,14.2mm ,15.8mm
0.6mm,0.7mm,0.8mm band thickness

All parts steel zinc plated.
Band & hosing stainless steel, screw zinc plated. 
All parts stainless steel

Product details:  

With lacunars banding and worm-type hosing, it is especially for large diameter range and could be used reiterative.
Any risk of damage to the hose is eliminated by tilted and smooth edge.
It has heavy torque and more material could be selected.
Various band widths could be choose.