Shim Stock (CBS-SHIM) - by Peterson

Experience Unmatched Flexibility and Durability Superior Bypass Shim Material: Unrivaled Performance Say goodbye to frustration and hello to efficiency with the CBS-SHIM by Peterson. While other shims may fail, our bypass shim material excels where others fall short. Unlike light metal shims that kink and twist, or brittle plastic that cracks, tears, and creases, the CBS-SHIM stands strong. Crafted from a six-inch square of plastic impregnated fabric, it effortlessly defeats the tightest jambs and most stubborn latches, time and time again.