Reaming Shell 1. Manufacturer of Reaming Shells 2. Over 30 years ... and polycrystalline diamonds.Geotool can supply products as belows:Q Series AQ, BQ, NQ, HQ, PQT SeriesT36, T46, T56, T66, ... , TEW, TBW, TNWWF SeriesHWF, PWF, SWF, UWF, ZWF WT Series RWT, EWT, AWT, BWT, NWT, HWT (Single Tube/Double Tube ... warmly accepted according to specific customers requirements. HQ Reaming Shell (Over Size Diameter)