FH-281-8ZI FH28-20S-0.5 FH28-20S-0.5SH FH28-20S-0.5SH(05) FH28-20S-0.5SH(10) FH28-20S-0.5SH(51) FH28-26S-0.5SHF FH28-28S-0.5SH FH28-28S-0.5SH(05) FH28-28S-0.5SH(05))