主权项 |
1. A dart restoration tool comprising:
a first member defining a longitudinal axis and having an annular cavity, a wall of the annular cavity defined by a conical milling surface; and a second member mounted for rotation to the first member about the longitudinal axis and defining an aperture radially aligned with the annular cavity, the aperture adapted to receive a tip end portion of a dart such that the tip end enters the annular cavity to engage the milling surface, wherein the dart is caused to rotate about the longitudinal axis such that the tip end portion is sharpened by the milling surface. |