100% Stainless Steel. For use in outdoor, fresh water and mildly corrosive applications. Stainless steel band, saddle and housing with stainless steel screw. The original stainless steel worm-drive clamp. Heavy-duty four piece QUADRA-LOCK construction enables far more tightening torque to be delivered to the band perforations. Used for aircraft and heavy-duty industrial applications. and then update cheapest prices immediately. Limited time Only!