Specifications:

GX16-A2 + B2 (female head + rear nut round seat)

GX16-A3 + B3 (female head + rear nut round seat)

GX16-A4 + B4 (female head + rear nut round seat)

GX16-A5 + B5 (female head + rear nut round seat)

GX16-A6 + B6 (female head + rear nut round seat)

GX16-A7 + B7 (female head + rear nut round seat)

GX16-A8 + B8 (female head + rear nut round seat)

GX16-A9 + B9 (female head + rear nut round seat)

16-A10 + B10 (female head + rear nut round seat)

GX16-B2 rear nut seat

GX16-B3 rear nut seat

GX16-B4 rear nut seat

GX16-B5 rear nut seat

GX16-B6 rear nut seat

GX16-B7 rear nut seat

GX16-B8 rear nut seat

GX16-B9 rear nut seat

GX16-B10 rear nut seat

GX16-A2 female head

GX16-A3 female head

GX16-A4 female head

GX16-A5 female head

GX16-A6 female head

GX16-A7 female head

GX16-A8 female head

GX16-A9 female head

GX16-A10 female head