5/16" Engraving Cutter

Made of high-quality steel. Can be used for shaping, hollowing most metals, plastics, and wood.No. 100: Bit diameter: 1/4", shank diameter 1/8"No. 114: Bit diameter: 5/16", shank diameter 1/8"No. 115: Bit diameter: 5/16", shank diameter 1/8"No. 116: Bit diameter: 1/4", shank diameter 1/8"No. 117: Bit diameter: 1/4", shank diameter 1/8"No. 118: Bit diameter: 1/8", shank diameter 1/8"No. 121: Bit diameter: 1/4", shank diameter 1/8"No. 124: Bit diameter: 5/16", shank diameter 1/8"No. 125: Bit diameter: 1/4", shank diameter 1/8"No. 131: Bit diameter: 1/4", shank diameter 1/8"No. 134: Bit diameter: 5/16", shank diameter 1/8"No. 144: Bit diameter: 5/16", shank diameter 1/8"No. 190: Bit diameter: 3/32", shank diameter 1/8"No. 191: Bit diameter: 1/8", shank diameter 1/8"No. 192: Bit diameter: 3/16", shank diameter 1/8"No. 193: Bit diameter: 5/64", shank diameter 1/8"No. 194: Bit diameter: 1/8", shank diameter 1/8"No. 196: Bit diameter: 7/32", shank diameter 1/8"No. 198: Bit diameter: 1/4", sha