Mikalor W4 Stainless Steel hose clamps are the highest quality hose and exhaust clamps in the world. Their design and material specifications, mean they are ideally suited to the demands of the motorsport and high performance car, bike or marine industry. The Supra Pro W4 clamps are made of 304 marine grade Stainless Steel throughout. These can be used for improved corrosion resistance and the highest clamping pressure. Various sizes available, please select the size(s) you require below.