Breeze Industrial Products 10 Pack Breeze 62040H Power Seal Clamps with Plated Screw Effective Diameter Range: 2-1/16 - 3" (52mm - 76mm) Use for standard clamp applications. Stainless steel band and housing with a carbon steel, carbon plated, slotted hex head screw. 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.