Pro Tie 33506 SAE Size 044 Range 2-5/16-Inch-3-1/4-Inch Heavy Duty All Stainless Hose Clamp, 4-Pack Band, housing, and screw are all stainless steel SAE Size: 044 Low Range: 2-5/16-Inch High Range: 3-1/4-Inch Screw Size: 8 mm slotted hex head