Wrench Flats are 2-3/4" Wide x 3-11/16" Deep & some are 1-1/2 Wide x 3-1/4" Deep
measures 4.40"-4.50" OD condition
Pipe used for mud drilling
138 drill pipe available in Mifflinburg, PA yard USA
Note: 2 joints are connected = (67) 40' ft joints when it was being used. Will be transported in 40' ft lengths or cost extra to break out the pipe before shipping.