Surelock Clamp, Band Material Stainless Steel, Band Material Grade 304, Band Thickness 0.023 in, Band Type Perforated, Band Width 9/16 in, Clamp Maximum Inside Diameter 6 in, Clamp Minimum Inside Diameter 2 in, Fastener Housing Material 304 Stainless Steel, For Maximum Outside Diameter 6 in, Grade Marine, Maximum Operating Temperature 500 Degrees F, SAE Number 88, Screw Material Stainless Steel, Screw Material Finish Not Applicable, Screw Material Grade 305, Clamp Type Worm Gear Clamp