RSM / RSM-T	3-piece, low carbon steel, PTFE liners available
RSMX / RSMX-T	3-piece, alloy steel, PTFE liners available
EMX	3-piece, alloy steel, PTFE liners available
RRSMX-T	3-piece, alloy steel, chrome or bright nickel plated, self lubricating
SRSM-T	3-piece, male, stainless steel, self lubricating
HRSMX-T	3-piece, alloy steel, high misalignment
ALRSM	3-piece, aluminum body