Introducing our butterfly screw with metal key hose clamp – a high-quality product manufactured by our factory. Our clamp is designed to securely fasten hoses onto fittings, ensuring a leak-proof seal in a wide range of applications. The butterfly screw provides quick and easy tightening, while the metal key adds extra strength and durability. Made from premium materials and extensively tested, our hose clamp is built to last. Trust us as your reliable and experienced factory for all your hose clamp needs.