Pro Tie 33101 SAE Size 12 Range 5/8-Inch-1-1/4-Inch SS Turn Key All Stainless Hose Clamp, 10-Pack Band, housing, and screw are all stainless steel SAE Size: 12 Low Range: 5/8-Inch High Range: 1-1/4-Inch Screw: stainless steel key