New Improved Hollenback Set of 3 Includes: (1)..... Dental Hollenback 1/2 Wax Modelling Carver having universal adaptability #41 Round Handle. Ideal for placing, carving and contouring amalgam. Mainly used for the contour and carve occlusal surfaces & interproximal surface. (2)..... Dental Hollenback 3 Wax Modelling Carver having universal adaptability Slightly Larger blades then 1/2, #41 Round Handle. Ideal for placing, carving and contouring amalgam. Mainly used for the contour and carve occlusal surfaces & interproximal surfaces. (3)..... Dental Hollenback 3s Wax Modelling Carver having universal adaptability Slightly Smaller blades then 3, #41 Round Handle. Ideal for placing, carving and contouring amalgam. Mainly used for the contour and carve occlusal surfaces & interproximal surfaces.