Product Code Product Description PRS-KA0570 Specimen Extruder for Hoek Triaxial Cells PRS-KA0572 Extruder Adaptor Set for BX, NX and HQ Specimens The PRS-KA0570 Specimen Extruder is used to extrude the rock sample from its jacket while avoiding to emptying the pressure fluid (confining oil) out of the Hoek Cell. It consists of a steel frame with a rack and pinion mechanism The Specimen Extruder is supplied complete with; â?¢ BX Type Adaptors â?¢ NX Type Adaptors â?¢ HQ Type Adaptors Dimensions 470x220x200 mm Weigth (approx.) 13 kg