Hose clamp, bandwidth 15.8mm, with five spacers which work as a kind of spring. It can be used for several times.
Hose clamp--American style heavy duty hose clamp
W2: galvanized steel screw, others are AISI 300 series stainless steel
W4: all AISI 300 series stainless steel
It is a long lasting hose clamp, and different with other hose clamps, which are disposable products, this heavy duty hose clamp can be used twice or more.
The material is stainless steel, 300ss or 316ss. The price of this clamp is much higher than other kinds of hose clamp because of its high quality.