3 1/4″ Bore Diameter × 3 1/2″ Hone Length × 13.5″ Overall Length, 800 Grit, Aluminum Oxide - Standard Duty Flex-Hone CAT 40 Shell Mill Holders & 90 Square Shoulder Shell Mill Cutters 4375 Finish/Coating Black Oxide Head

4375 Finish/Coating Black Oxide Head Diameter (Inch) 1-1/4 Head Height (Inch) 7/16 Thread Standard UNC Tip Diameter (Inch) 19/64 Tip Material Steel Tip Swivel Angle 20

Item #: FF8100776

Item #: 29965894

Item #: HF80219221

3 1/4″ Bore Diameter × 3 1/2″ Hone Length × 13.5″ Overall Length, 800 Grit, Aluminum Oxide - Standard Duty Flex-Hone CAT 40 Shell Mill Holders & 90 Square Shoulder Shell Mill Cutters 4375 Finish/Coating Black Oxide HeadItem #: MJ73GB314800AO Brand: Brush Research Model #: GB314800AO Product Specifications Type Standard Duty Flex Hone Hone Length 3 1 2 Abrasive Material Aluminum Oxide Overall Length 13. 5 Grit 800 Specification Non ferrous Materials Bore Diameter 3 1 4