| Model | A Capacity (Inch) | A Capacity (mm) | B Contact Length (Inch) | B Contact Length (mm) | C Cone Angle (Degrees) | D Outside Diameter (Inch) | D Outside Diameter (mm) | No. of Inserts | Weight (oz) |
| J421 | 0.139 - 0.257 | 3.5 - 6.5 | 0.500 | 12.7 | 40 | 0.941 | 23.9 | 6 | 0.20 |
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