HPS 100% marine grade 316 stainless steel T Bolt hose clamps with effective range 1. 5 - 1. 6938mm-43mm perform well in saltwater applications and offer better corrosion resistance than the standard 304 T-bolt band clamp; therefore 316 tbolt clamps are commonly used to provide leak-proof connections on marine engine and exhaust systems. Professionals also utilize the high strength 316 T Bolt clamps in applications such as water treatment and sewage systems, military, filter bags, telecommunication devices, sanitary systems, food and pharmaceutical processing equipment. Technical Specification:Perform well in saltwater applications and offer better corrosion resistance than the standard 304 T-bolt band clamp. Effective Size Range: 1. 5 - 1. 6938mm-43mm. 100% Marine Grade 316 Stainless Steel Band, Bolt and Nut. High strength with superior welded construction. 3/419mm band width with floating bridge. Band thickness: 0.6mm. Maximum Torque Spec 75 in. lbs. Can be used with HPS 1-1/4 silicone hoses. Part Number: 316-SSTC-38-43. UPC: 648044880822. Quantity: 1. REMARK: Two clamps are recommended to be used on each end of a wet exhaust installation.