Shields Exhaust Hose Clamps T-Bolt Band Clamps Excellent for corrugated hose applications. Designed to assure proper coupling retention for any marine hose. T-Bolt Band Clamps offer a full 360 clamping surface. Ideal for any below water line connection. Clamps are 316 stainless steel with 1/4" hardware, .025"T x .75" W band. Extra long T-Bolt allows maximum adjustment. Torque to 75 inch pounds maximum. Designed to fit all Sheilds mandrel built hose.