STARRETT 696B Balancing Attachment Only for 696, 696M Crankshaft Distortion Dial/Strain Gage (696B)

Balancing Attachment Only for 696, 696M Crankshaft Distortion Dial/Strain Gage. Balancing attachment for 696, 696M Crankshaft Distortion Dial/Strain Gage that is used for checking bearing alignment or shaft deflection without dismantling the engine. For certain applications, like turning the crank under test with the gage in place, the attachment can be adjusted to maintain the face of the indicator upward or in desired position.