100% marine grade 316 stainless steel band, bolt and nut. High strength superior welded construction. Perform well in saltwater applications and offer better corrosion resistance than 304 T-bolt band clamp. Meets or exceeds SAE Spec. J1508 for T-Bolt clamps. Effective range: 7. 25" - 7. 56" (184mm-192mm). SAE # 204. Floating bridge and rolled edges to protect soft hoses. 3/4 inch (19mm) band width. Maximum Torque Spec 75 in. lbs. Recommend to use two clamps for wet exhaust application.