Description 11/16″ to 1-1/2″, marine grade high corrosion resisting stainless steel clamp, necessary for marine, undergound & other high corrosion applications, band housing & screw are all 300 stainless steel. All 300 series stainless steel general purpose clamp SAE Size 16 1/2″ band width Made in U.S.A. Exceeds SAE J 1508
