HPS 100% Stainless Steel T-Bolt Clamp with Floating Bridge, Size # 124, effective range 4. 76" - 5. 08" (121mm-129mm) provides leak-proof connections in a wide variety of industrial, commercial, and military applications. Perfect matching clamp for HPS silicone hoses with 4-1/2" inside diameter. HPS manufacture our clamps from 300 series stainless steel with rounded band edges to protect soft hose materials. HPS Stainless Steel T-Bolt Band Clamps provide high tensile strength, durability, and corrosion resistance. HPS Stainless Steel T Bolt Clamps are the perfect choice for medium and heavy-duty applications. HPS Stainless Steel T-Bolt Band Clamps are frequently installed on Coolant and Air-Intake Systems for Construction Vehicle, Truck, Aircraft, Marine and Bus Engines, Duct Systems, Baghouse Equipment, Irrigation Systems, Medical Equipment and Precleaners. Technical Specification: Size # 124. Effective Size Range: 4. 76" - 5. 08" (121mm-129mm). 100% Stainless Steel Band, Bolt and Nut. Floating bridge and rolled edges to protect soft hoses. Superior welded construction. 3/4" Band Width. Max. Torque Spec 75 in. lbs. Part Number: SSTC-121-129. UPC: 648044843131. Quantity: 1Recommended to be used with 4-1/2" HPS silicone hoses