Custom Core Barrels and Overshots NC3 (NQ3) Spit Tube Assembly for Wireline Core Barrel CodeProduct NameQty NC3-01Pump-out Adaptor1 NC3-02Piston Plug1 NC3-03O-Ring 43.7x3.551 NC3-04Core Ejection Piston1 NC3-05Split Tube1 NC3-06Inner Tube1 NC3-07Stop Ring1 NC3-08Core Lifter1 NC3-09Core Lifter Case1 HC3 (HQ3) Spit Tube Assembly for Wireline Core Barrel CodeProduct NameQty HC3-01Pump-out Adaptor1 HC3-02Piston Plug1 HC3-03O-Ring 60x3.551 HC3-04Core Ejection Piston1 HC3-05Split Tube1 HC3-06Inner Tube1 HC3-07Stop Ring1 HC3-08Core Lifter1 HC3-09Core Lifter Case1 PC3 (PQ3) Spit Tube Assembly for Wireline Core Barrel CodeProduct NameQty PC3-01Pump-out Adaptor1 PC3-02Piston Plug1 PC3-03O-Ring 60x3.551 PC3-04Core Ejection Piston1 PC3-05Split Tube1 PC3-06Inner Tube1 PC3-07Stop Ring1 PC3-08Core Lifter1 PC3-09Core Lifter Case1Custom Core Barrels and Overshots website:http://www.chinazjtk.com/core-barrels-and-overshots/