... Assembly,Hosting Plug, Drill RodNQ HQ Core Barrel, Casing Tube, Overshot Assembly,Hosti NQ HQ Core Barrel, Casing Tube, Overshot Assembly,Hosting ... and 3.0m length core barrels are avaiable. Wireline series Core Barrel available:Q series Core Barresls: AQ, BQ, NQ, HQ, PQ, ... NQ3, HQ3T series Core Barrels: T2-56, ...