FH50-28S-0.5SH FH50-30S-0.5SH FH50-40S-0.5SH FH-5050 FH-5050-10 FH-5050-20 FH50-50S-0.5SH FH5053-VB FH50-80S-0.5SH FH50-80S-05SH