CastWedge. 20/bag. Realignment. CastWedge allows for exact adjustments to casted fractures without the inconvenience of replacing the original cast. CastWedge permits uni or bivalving the cast preventing extreme discomfort to the patient. Maintains a precise opening in the cast. Can be used with plaster or fiberglass casts. High-impact, non-porous, radiolucent, lightweight material that will not interfere with X-Rays.