After customization, be sure to use only dental gold alloy for casting tomake the prosthesis Melting point range of cylinder (Au, Pt, Pd Alloy) : 1400 - 1450 C (use of non-precious metal alloy for casting prohibited) Use a 1.2 hex driver Packing unit : Cylinder + EbonyGold screw / Cylinder + Ti screw Tightening torque : 20 Ncm