EXTReam Reamers from Railhead Underground Products are available in five sizes from 6- to 16-inch diameter, with connections for virtually every drill. Field-replaceable teeth allow the user to stay on the job, saving downtime. It comes with a complete set of jets and plugs so the reamer can be configured to the varying ground conditions encountered throughout a project. The 6-, 8- and 10-inch units are built with an API pin and box with a removable pulling eye at the back of the reamer. This allows the user to quickly hook up many configurations, including pulling reamers in tandem, or using the reamer as a stabilizer for subsequent passes.