Beam Clamp Retainer Straps SubcategoriesRS Retrofit Retainer StrapDetails35RS Two Hole Retainer StrapDetails Products | 2 results (8 items) RS Retrofit Retainer Strap The nVent CADDY RS Retrofit Retainer Strap is designed to assist in the securement of beam clamps and other flanges to metal structures. Details 35RS Two Hole Retainer Strap 2-hole retainer strap sized to accommodate multiple lengths and 2 rod sizes. Details