Squirrelly 3.5" Heavy Duty Stainless Steel T-Bolt Clamp for 3 1/2 inch Turbo Intake Intercooler Hose Tired of your intercooler piping blowing off? Upgrade to these Heavy Duty Stainless Steel T-bolt Clamps and leave those old worm clamps in the dust. Our T Bolt clamps are made from heavy duty 304 stainless steel with rounded band edges to protect soft hose materials from cuts. These high quality T-Bolt Band Clamps provide high tensile strength, durability, and are corrosion resistance. 3.5 inch outside diameter. T-Bolt clamp measurement: Largest 100mm / Smallest 92mm. 3.93inch // 3.62inch.