Only downside is I wish they were longer. This is not your traditional profile. They aren't very strong in many ways, but are great for what I use as a drill guard (with a high flow dust collector built into it). I also use them as tool holding edges. on my router table and I plan to use them for many other purposes in the future. when longer versions were available. I bought 3 or 4 orders. and if i could find them in 36 or 48 inches i would buy more. They aren't as expensive as other high performance profiles from Musumi or 80/20 but they will work for what I need at the moment. yourself.
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