FH12-20P-0.5SH FH12-20P-0.5SV FH-12-20S-0.5H(55) FH12-20S-0.5SH FH12-20S-0.5SH(05) FH12-20S-0.5SH(06) FH12-20S-0.5SH(1)(09) FH12-20S-0.5SH(1)(98) FH12-20S-0.5SH(39) FH12-20S-0.5SH(48)