BOOST Products heavy duty stainless steel hose clamp with two internal bands. Thanks to the double bands and the stainless steel allen M6 clamping screw, this clamp is suitable for applications where high strength and tightness is required. This includes exhaust systems, downpipes, boost hoses and other high pressure applications. These heavy duty stainless steel hose clamps are made of SS304 stainless steel, a very high quality stainless steel with high corrosion resistance.