Worm Gear Hose Clamp, Band Material Stainless Steel, Band Material Grade 304, Band Thickness 0.02 in, Band Type Perforated, Band Width 1/2 in, Clamp Maximum Inside Diameter 1 1/2 in, Clamp Minimum Inside Diameter 13/16 in, Fastener Housing Material 304 Stainless Steel, SAE Number 16, Screw Material Steel, Screw Material Finish Zinc-Plated, Clamp Type Worm Gear Clamp, Drive Type Slotted Hex, Hex Size 5/16 in, Package Quantity 10 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)