GZ-17-23 – Nipple M12x1 / M12x1 – length 46 mm – hex 13

GZ-17-41 – Reducing nipple – 5/8-18 UNF / M 12×1 – L=47

GZC-723 – Nipple, equal – M12x1 / M12x1

GZC-712 – Nipple R1/4 x 1/18 / R1/4″ x 1/18 – length 35 mm – hex 14

GZ-227 A – Nipple, equal – M10x1 / M10x1 – length 40 mm

GZC-715 – Nipple M10x1 / M10x1 – length 44 mm hex 14