This looks like THE sweet setup for table saw alignment.
http://www.ptreeusa.com/edirect_042707.htm
http://www.ptreeusa.com/edirect_042707.htm
A-Line-It Basic System
The A-Line-It Basic was selected as the "Top Value" in the WOOD Magazine article that compared woodworking machine alignment tools.
• The perfect tool alignment sytem for hobbyists and small shops.
• The 1" capacity dial indicator reads in .001" increments for absolute precision.
•Self-adjusting "Smart Bar" so the perfect fit in the miter groove is automatic.
• Leveling knobs adjust for any miter groove depth.
• On a table saw, it will allow you to test table saw alignment, arbor shaft runout, saw blade runout, rip fence alignment, and fence straightness.
• The 1" capacity dial indicator reads in .001" increments for absolute precision.
•Self-adjusting "Smart Bar" so the perfect fit in the miter groove is automatic.
• Leveling knobs adjust for any miter groove depth.
• On a table saw, it will allow you to test table saw alignment, arbor shaft runout, saw blade runout, rip fence alignment, and fence straightness.
The A-Line-It Basic can be configured to do various tests in your shop. Some of the things you will be testing include:
Table Saw Alignment
Saw Arbor Runout
Saw Blade Runout
Rip Fence Alignment
Rip Fence Alignment
Rip Fence Straightness
Planer Alignment
Jointer Depth of Cut
Saw Arbor Runout
Saw Blade Runout
Rip Fence Alignment
Rip Fence Alignment
Rip Fence Straightness
Planer Alignment
Jointer Depth of Cut