Contains 4 different trimmers/burs, 3 mounted lab polishers, a polishing wheel, plus a screw type mandrel, and is utilised mainly for adjustments in the Laboratory. All 4 burs/cutters are generally used to trim acrylics of functional appliances, and in the case of jumbo acrylic cutter to trim bulk stone off working and study models. The two grey medium-grit polishers are used for rough finish on acrylic repairs and the yellow fine-grit polishers for high-shine. The polishing wheel and mandrel are primarily used to polish soldered wires.