In-Line PALS CTS (3/8") Hothttp://toolreviews.woodmagazine.com/media/reviews/photos/thumbnail/300x300s/94/e6/c2/436_palandtrunon2_1327180910.jpg
Normally, the tablesaw aligner uses some pretty rough techniques to adjust their saw. With the PALS on your saw, "pounding" the trunnion into place using a hammer & block of wood are gone forever.
Quickly and easily align your contractor saw
Own a contractor-style tablesaw with trunnions mounted to the saw top rather than the cabinet? PALS may be the best 20 bucks you’ll ever spend. After a quick 10-minute installation (PALS replaces your saw’s rear trunnion bolts), you simply turn a screw to align the blade parallel to your saw’s miter slots. The process is much more civilized—not to mention accurate and cleaner—than lying on the floor whacking your trunnions with a mallet.
Best $20 you can spend on a contractor saw.
I put a set of these on my Delta Contractor saw. It makes the whole process of aligning the trunnions bearable. Slight adjustments are so easy that you can align the blade within .001" of the miter slot. It won't take you all day to do it either. It also helps hold the alignmet.