5-7/8 O.D. Packer Mill Test Sub (4140-L80 Spec Material) ,

5-7/8 O.D. Packer Mill Test Sub (4140-L80 Spec Material) , 2 I.D. and furnished with 3-1/2 I.F. Pin Connection, three (3) 1 Holes, 2 @ 180 Degrees Apart, Approx. 84 Long including pin connection.F/ Weatherford and manufactured per Weatherford's drawing.