... company manufactures and sells casing and tubing couplings,pup joints, tool joints, adapter pup-joints, adapter couplings, stabilizers, anchors of oil pumps and ... ,L/N80,P110Thread, BTC,LTC,STC.Size of Tubing , 2 3/8 " - 4 1/2"Outside diamete, 60.32 – 114.3mmWall thickness,4 ... .83-6.88 mmEUE,NUESize of Casing ,4 1/2 "- 20."Outside diameter ,114.3 - 508mmWall thickness, 5.21 – 16 ...