Worm Gear Hose Clamp, Band Material Stainless Steel, Band Material Grade 201, Band Thickness 0.022 in, Band Type Perforated, Band Width 1/2 in, Clamp Maximum Inside Diameter 4 1/4 in, Clamp Minimum Inside Diameter 2 1/4 in, Fastener Housing Material 201 Stainless Steel, For Maximum Outside Diameter 4 1/4 in, Grade General Purpose, Maximum Operating Temperature 500 Degrees F, SAE Number 60, Screw Material Stainless Steel, Screw Material Finish Not Applicable, Screw Material Grade 410