Ferris Wax, File-A-Wax Ring Tube, Flat Side With Hole, Blue
1-5/16″ high x 1-3/16″ wide.
Ferris File-a-Wax Carving Waxes, used for making models to be reproduced by the lost wax casting process. They can be sawed, filed or carved. Will stand rough handling and will not soften in your hands. Three degrees of hardness, designated by color: Blue wax will bend 90° in 1/8″ thickness. Approximate melting temperature is 240° F (116° C).