<p>These worm drive hose clamps are made of high quality <b>304 stainless steel</b>, adopts an open inner and outer ring structure and fastened with bolts. <b>Smooth surface</b>, <b>rust-proof</b>, <b>corrosion-resistant</b>, water-proof, are ideal for heavy-duty industrial applications as well as outdoor, fresh water and mildly corrosive applications. Exceeds all SAE requirements.<br> <br> <b>Package includes:</b> <br> 4 Pieces 5" silver hose clamps<br> </p>