Excellent Qualtiy,Reasonable Price! standard:ISO-9001 High Reputation! Palm Coupling Original NO.:A:452 200 211 0 B:452 200 222 0 A:Z1/2" B:M22*1.5 1.OEM products, abide strictly by the ISO9001:2000 2.Offer free samples 3.Delivery time 4.Good after-sale service YOUR SATISFACTION IS OUR BEST WISH! WE WISH TO BE YOUR TRUSTWORTHY SUPPLIER! Palm Coupling (452 200 211 0/452 200 222 0)