5 Pack Breeze CT-250L Heavy Duty Constant Torque Liner Clamp with Stainless Screw Effective Diameter Range: 1-3/4" - 2-5/8" (45mm - 67mm) Torque Rated 50-125 in/lbs Stainless Steel Hex Screw, Spring and 5/8" (16mm) 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