Worm Gear Hose Clamp, Band Material Stainless Steel, Band Material Grade 301, Band Thickness 0.028 in, Band Type Recessed Bead-Lined, Band Width 9/16 in, Clamp Maximum Inside Diameter 2 1/2 in, Clamp Minimum Inside Diameter 1 3/4 in, Fastener Housing Material 304 Stainless Steel, For Maximum Outside Diameter 2 1/2 in, Grade Heavy Duty, Maximum Operating Temperature 500 Degrees F, SAE Number 32, Screw Material Stainless Steel, Screw Material Finish Not Applicable, Screw Material Grade 410