10 Pack Breeze 64040H Power Seal Clamps with 410 Stainless Screw Effective Diameter Range: 2-1/16" - 3" (52mm - 76mm) 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.