HIGH QUALITY STAINLESS STEEL- The whole hose clamp (including the band, housing and screw) are all made of premium 304 stainless steel material. Salt resistant, anti rust, anti-corrosion, waterproof, oil-proof. Clamps are sturdy, strong and reliable.WIDE ADJUSTABLE SIZE RANGE- Clamps are flexible and ductile with wide adjustable size 3/8'' - 5/8''(10-16mm). Fit for hose outside diameter 10-16mm.WIDELY USED- Clamps are widely used in securing hoses, pipe, cable, tube, fuel lines etc. Perfect to apply in automotive, industrial, boat/marine, shield, household etc. both indoor or outdoor.Band width of 5/16-inch.ENVIRONMENTAL FRIENDLY- It can be reused and recycle if you do not want them to stay on the original place due to the high quality material which makes them worked last for long.