Mishimoto ear clamps are the ideal solution for maintenance-free clamping. Simply slide the clamp over the part, crimp it down with our available ear clamp crimping tool, and forget about it. This 0.70in - 0.83in (17.8mm - 21mm) ear clamp features a stainless steel construction to ensure a long life in any environment. The crimp design eliminates the need for repeated tightening and makes installation fast and easy. Mishimoto ear clamps are sized to suIt'small vacuum, fuel, and coolant lines and provide reliable, maintenance-free clamping. Like all our clamps, this 0.70in - 0.83in (17.8mm - 21mm) ear clamp is backed by our Mishimoto Lifetime Warranty.