GZ-638 S – Olive hold down nut – Ø6 / M12x1 for CNG – length 20 mm – hex 14 – steel

GZ-238 S – Male compression nut – Ø8 / M12x1 – steel – lenght 17 mm – hex 14

GZ-438 – Male compression nut-brass – Ø6 / M12x1

GZC-733 – Olive hold down nut – Ø6 / M12x1 – length 20mm – hex 14

GZ-237 S – Male compression nut-brass – Ø6 / M10x1 – length 17 mm – steel

GZ-538 S – Olive hold down nut – Ø8 / M12x1 – length 15 mm – hex 14 – steel