High-tech and best hose clamps available to the market Ultra HD-Clamp 28-38mm High-tech hose clamp Arguably the best hose clamp available to the market These clamps are the perfect choice for connections at the turbocharger and the intercooler pipes. Their design compensates warp caused by temperature fluctuation and pressure. The special shape ensures perfectly distributed clamp load. Whereas common clamps are only clamp loaded at the interlock and the opposite side, the ULTRA-HD clamps apply evenly distribute pressure to the whole circumference. When combined to our silicone hoses the perfect solution for any boost and any charge air system. These clamps are solely used by many renowned tuners. Whoever tightened these clamps until it tore apart, just because it was still leaking, knows why we are offering these clamps. Material: Stainless steel (cold working, this involves rolling the soft material down to thinner gages, hhen these materials are rolled down, they do become stronger and harder) Size: 28mm up 38mm Band Width: 16 mm Please keep in mind that silicone hoses are always measured by inner diameter. To get the correct clamp size add 8 - 10mm to the silicone hose inner diameter!