These are the same heavy duty sandwich style rear shock mounts we use in our suspension kits for the S197. They are rubber, which provides the articulation we want in that location. The extra large washers help support the shape of the bushing to keep it from ripping or splitting.
They work with the 12mm shafts we see on most adjustable dampers.
This entry is for a PAIR of shock mounts, enough for two shocks.