Features- The original snap-in ball and socket wiggler.
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| Working centers can be quickly and accurately located |
| Spring tension on the ball of the point permits guiding point to concentricity |
| Work can be brought into perfect alignment with the machine spindle |
| Ball contact 828B is useful in locating work by first bringing the contact (ball diameter 1/4 in) against the work |
| Disc contact 828C, which has a small disc at the end (0.1 in) diameter, permits use in more confined areas such as slots or shallow holes |
| Offset indicator holder 828D can be used with Starrett® last word test indicators |
