Trident Marine 316 SS T-Bolt Clamp - 3/4" Band - 2.78"-3.09" Range - 10-Pack [720-2121]316 SS T Bolt Clamp 3 4" Band 2. 78" 3. 09" Range 10 Pack Very strong and secure clamp for critical installations. Trident Marine T Bolt Clamps are built with safety in mind. With a 3 4" (19 mm) wide band, this clamp ensures a greater area of coverage for a positive and strong union. Recommendations: For our Silicone and PVC products Can be used on any hose connection with peace of mind that they will last you a very long time It is recommended that