![Ingersoll Cutting Tools 2927889 Modular End Mill Reductions & Extensions; Shank Connection Size: M12 ; Nose Hole Thread Size: T08 ; Connection Size: M12 ; Extension Length (Decimal Inch): 0.9800 ; Body Diameter (mm): 21.010 ; Retention Knob Thread Si Ingersoll Cutting Tools 2927889 Modular End Mill Reductions & Extensions; Shank Connection Size: M12 ; Nose Hole Thread Size: T08 ; Connection Size: M12 ; Extension Length (Decimal Inch): 0.9800 ; Body Diameter (mm): 21.010 ; Retention Knob Thread Si](https://cdn11.bigcommerce.com/s-rerso7mgzy/images/stencil/640x640/products/2576570/2735043/9906080-21__46865.1718617254.jpg?c=1)
Ingersoll Cutting Tools 2927889 Modular End Mill Reductions & Extensions; Shank Connection Size: M12 ; Nose Hole Thread Size: T08 ; Connection Size: M12 ; Extension Length (Decimal Inch): 0.9800 ; Body Diameter (mm): 21.010 ; Retention Knob Thread Si