10 Pack Breeze 64072H Power Seal Clamps with 410 Stainless Screw Effective Diameter Range: 1-7/8" - 5" (48mm - 127mm) For use in outdoor, fresh water, and mildly corrosive applications. All stainless steel band, screw, saddle and housing. Extra-strong, square knot interlocking construction won't pull apart. No spot welds to rust, corrode, or rupture. Smooth underside - insures most effective seal possible.