Non-Perforated Clamp, Band Material Stainless Steel, Band Material Grade 304, Band Thickness 0.024 in, Band Type Embossed, Band Width 9 mm, Clamp Maximum Inside Diameter 12 mm, Clamp Minimum Inside Diameter 8 mm, Fastener Housing Material 304 Stainless Steel, For Maximum Outside Diameter 12 mm, Grade Marine, Maximum Operating Temperature 500 Degrees F, SAE Number 12, Screw Material Stainless Steel, Screw Material Finish Not Applicable, Screw Material Grade 304, Clamp Type Worm Gear Clamp