Corrosion resistant 316 stainless steel for exhaust or intake – Any below water line application. Works with corrugated hose. Full 360- Degree clamping surface. 3/4 in. band, extra long 1/4 in. bolt and nylon insert locknut. Torque to 75 in. lbs. maximum. For Silicone exhaust hose, use “S” series T-Bolt Clamps to accommodate the thinner wall on those hoses.