M16*1.5 with vavle, w/o vavle M22*1.5 with vavle,w/o vavle OEM:452 200 2210 OEM:452 200 2220 OEM:952 200 0210 OEM:952 200 0220LASER MARKING ON PRODUCT: LOGO OR DATEPACKING :11.5*10.5*6.5CM/PAIRCOUPLING HEAD IS USED IN PAIR ,ONE IS AUTOMOTIVE, ANOTHER IS NORMAL. qulity trailer coupling head