Barrel Hose Clamp (79-86mm / 3.25")Premium Turbosmart Quick Release Barrel Hose Clamp 3. 25" 79 86mm (to suit most 3. 00" pipe + silicon hose assemblies) Turbosmart Quick Release Barrel Clamps can be handle much higher tension loads than traditional screw type band clamps and have an in built fastener bridge for a stronger, more reliable even distribution of clamping force, ensuring maximum life from your silicon. With the added benefit of having a quick release mechanism, saving time