These worm gear hose clamps have a 1/2" wide band and are constructed of all 316 stainless steel. These clamps are the top choice when high corrosion resistance to chemicals and salt water is a concern. Also the 316 stainless construction will make them virtually non-magnetic. Since they are Breeze brand clamps you know they come with heavy duty Quadra-lock consutrction and are Made in the USA. Sold in 10-packs. Note: not recommended for silicone or very soft hose, use our liner or Norma Torro clamps for this application.