Part no. Material Note q Lead wire and M12 connector (3 m), Straight ZS-37-A * 1 pc. w Lead wire and M12 connector (3 m), Right angle ZS-37-B * 1 pc. e Assembly-type connector PCA-1557743 * 1 pc. r Adapter with restrictor Rc1/4 t Adapter with restrictor Rc1/8 ZS-.