Pro Tie 33004 SAE Size 12 Range 11/16-Inch-1-1/4-Inch Regular Duty All Stainless Hose Clamp, 10-Pack Band, housing, and screw are all stainless steel SAE Size: 12 Low Range: 11/16-Inch High Range: 1-1/4-Inch Screw Size: 8 mm slotted hex head