Hardened Jaw Bit for Dormer Models 71,84 & 108 Drill Sharpening Machine - YELLOW For holding drill sizes : 5/16" - 1 1/4" Diameter. Metric size 8mm - 32mm Diameter Part No. 10844-2 2 Jaws required per set Can be used with one green jaw bit and one blue jaw bit to hold 3 flute drills
