Breeze CT-9448 Aero-Seal Constant Torque Liner Clamp with Stainless Screw Effective Diameter Range: 2-9/16" - 3-1/2" (65mm - 89mm) 9/16" (14mm) band width 410 Stainless Steel Hex Screw, Stainless Steel - Virtually unlimited product life - won't rust or corrode and is reusable Quadra-lock construction - housing orbitally riveted to saddle at 4 points providing extra strength Liner protects soft or silicone hose from damage, extrusion or shear Fleet standard - easily installed, easily replaced in the field