... 4", 5", 6", 8", 10", 12" 2.Stainless Steel & Neoprene 3.CSA / ISO9001-2000 ... head screwLeak ProofSpecifications MaterialNeoprene Gasket 200SS & 300SSBand Width14.2 mmBand Thickness0.65mmNumber of Bands2Working Temperature-30oc to ... with over 15 years experience in producing couplings,hose clamps and ventilation tubes.Tel: 86-579-86358018 ... Website: www.cysj.cc stainless steal hose clamps 2' to 12'