For a wide range of typical exterior uses, the Petzl Coeur Anchor Bolt Stainless Hanger and 10mm 20-Pack available at OmniProGear will resist corrosion in most normal outdoor environments with a 316L stainless steel assembly and a wide, user-friendly connection hole for easier carabiner clipping. The stainless hanger features a revised profile for easy clipping and reduced connector wear. It incorporates an anti-rotation system to help maintain correct orientation when installing and when in use. The width of the hanger's connection hole enables the installation of two carabiners at the same time. Order the Coeur Anchor Bolt Hanger from OmniProGear for solid savings. OmniProGear also offers many products of this type before they are available anywhere else.