Our stainless steel worm gear clamp consists of a stainless steel band, housing, and screw. They can adjust the miniature size for fitting small hoses. A worm gear mechanism adjusts the clamp's diameter to precisely apply sealing pressure. Hose clamps attach hoses to fittings to prevent flow leakage. They come in a variety of designs and distribute uniform pressure over the circumference of hoses to bind them to fittings. Hose clamps are perfect for industries, electronic, automotive and home applications. Including: 43*Anpro worm gear clamp Warranty: 60 days money-back & 24-month warranty. Any questions you have, please don't hesitate to contact us. We will get you back within 24 hours.