Brand new Wurlitzer 200 series reed blanks. These are exact replicas of the original Wurlitzer factory reeds. They are made for keys #21-42 only.
To help the solder attach to the reed, make sure you scratch the surface first.
Print off the Reed Length Cutting Chart and follow the instructions detailed in this Installing and Tuning Guide.
Additionally watch these two videos to help you with tuning and installation.