... Screw ThreadConnect to Center Pipe APIREG 4 1/2,LHREG 6 5/8,LHREG 7 5/8,LHREG 4 1/ ... 2,LHConnect to Kelly APIREG 6 5/8,LHREG 6 5/8,LHREG 6 5/8,LHREG 6 5/8,LHModel of air ... 714.714.714.7 Rated pressure MPa0.60.60.60.6 Air consume volume m3/min17free air17free air17free air17free airRated ... Swivel for drilling,SL135 SL225 SL450 SL585,exchanged with HH,BOMCO,LS-NOW,factory Price,Free logo printed