5 Pack Breeze CT-9410 Aero-Seal Constant Torque Liner Clamp with Stainless Screw Effective Diameter Range: 9/16" - 1-1/16" (14mm - 27mm) Torque Rated 30-70 in/lbs Stainless Steel Hex Screw, Spring and 9/16" (14mm) Stainless Steel Band Patented, pressure compensating clamping system Designed to self adjust to thermal expansion and contraction Custom designed Stainless steel Belleville springs. Heavy duty construction stops fluid leaks