BQ NQ HQ PQ wireline core barrels assemblies are made of high quality alloy tubes, to recover rock sample from hole.

SK head assembly tool is made of quality alloy material, to drive in the spring pin when assemblyng links and latches.

NQ3 HQ3 PQ3 split tubes are made of high quality endurable alloy tube materials, to retain the core smaple in intact state.

HQ inner-tube stabilizer are made of high quality bronze alloy, to stabilize the inner-tube at the bottom of the hole.

NQ3 wireline core barrels are made with high quality cold drawn seamless tubes to take intact rock sample from deep hole.

Core lifters located in the core lifter cases, are made with hardened steel and equipped to catch rock sample.