Jewel Setting (Flush-Hammer-Burnish Setting) Brass Practice Mounting.  Four loose 2.5mm round cubic zirconia stones will be provided.  Please be advised the practice mounting is thinner than the height of stone; therefore, culet of stones will protrude through the mounting.  These mountings are for practice only and is not advisable for wearable jewelry.    Procedures and techniques detailed in Unit 14 of The Diamond Manual by Robert R. Wooding.