Profile:Comply with the SAE standard with the perforated band, tiny housing with low free torque help to install clamps in narrow space & narrow pipe.Band Width:9mmMaterial:430S.S. (W2): Band & Housing are made of AISI430Stainless Steel, but Screw is Carbon steel with the coating, the economy choice.304S.S. (W4): AISI 304 S.S Band, Housing and Screw316S.S. (W5): AISI 316 S.S Band, Housing and Screw (The high ).Application:430S.S. (W2): Hardware, Automotive Industry, Home DIY, Garden, low applying of the corrosion resistance304S.S. (W4): Heavy Industry, Food Industry, Machine, medium applying of the corrosion resistance316S.S. (W5): Marine, high applying of the corrosion resistance