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Tablesaw guards 
Question
In my own shop, I built an overhead guard suspended from the ceiling, sliding vertically with one wing nut to bind it, and installed a Delta pop-up splitter with anti-kickback fingers. It works for me, though the splitter should be thicker (to better match standard 1/8" blade thickness) and stiffer. I know Biesemeyer makes a similar splitter for the Powermatic; has anyone used it? How does it compare to the stock splitter (forget the guard that comes with it)? How about the various after-market overhead guards? Considerations include easy removal for grooving, compatibility with shop-made throat plates, stiffness, side to side movement and removal of the guard for cutting apart goofed up boxes, mitering and the like. How do other people cope with this ubiquitous problem? Forum Responses
I have 2 Delta Unisaws and both have the Biesemeyer T-Square blade guards and snap in spreaders. I use them every day. The splitters are very easy to remove and install. The guards work very well. The only time I do not use them is for narrow rips. I just made an overhead guard and set up the Biesemeyer removable splitter/anti-kickback fingers. The Biesemeyer splitter is very good, much better than the standard on the Delta, since the fingers actually touch the tabletop and don't leave a gap with the table. It fit my custom throat plate fine even though I had cut it for the standard Delta guard. My guard design is a tremendous improvement over the stock one, but I'm not sure what you're looking for in a guard or why your own isn't satisfactory. I made one somewhat like an Excaliber, where there is a pantograph (folding X-bars) to raise and lower it, and the guard covers both the blade and the splitter. By using fender washers (large diameter washers) with 1/4" bolts, the entire assembly is very stiff with little side-to-side movement. Plus, my custom guard is clearer than the Delta. Time to swap from full setup to a bare table or reverse is about 20 seconds.
We have the Biesemeyer removable splitter/anti-kickback fingers. The springs on the anti-kickback keep breaking and I don't think the anti-kickback is made well enough to actually be effective. It does snap in and out of place nicely. The comments below were added after this Forum discussion was archived as a Knowledge Base article (add your comment). Comment from contributor E:
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