pipe connector It is in excellent working condition 1)advanced equipment 2)excellent quality 3)good Service pipe connectorMy factory supply all kinds of spare parts for pneumatic rock drill (YT29A,YT28,YT27,RB777,YT24,YT23D,ect)ratchet wheel ,piston,Valve chest,Valve cover,front head,Guide sleeve ,connector ,handle ,Yoke and so on .. pipe connector