Working on your car, truck, or motorcycle and need a reliable, permanent hose clamp? These Mishimoto ear clamps are the professional's choice. Unlike standard worm-drive clamps that can loosen over time, these are 'crimp' style clamps. You slide them over your hose or pipe (within the 1.24 to 1.36 inch / 31.4 to 34.6mm diameter range), and then use a special ear clamp crimping tool (sold separately) to squeeze the 'ears' flat. Once crimped, they're on for good – no maintenance, no vibration loosening, just a super secure, 360-degree seal. They're made from stainless steel, so they resist corrosion much better than the cheap zinc-plated clamps, making them perfect for engine bays, coolant lines, fuel lines, or turbo applications. This pack comes with 10 clamps, so you have spares for multiple projects. They're backed by Mishimoto's lifetime warranty, which is awesome. Just remember, you'll need the crimping tool to install them properly. If you're doing performance mods or just want the most reliable clamp for critical connections, these are worth the investment.