It is a modified angle grinder with 3 added features that they charge you 175.00 extra for. Then they charge you 50 plus bucks for the fingers when they wear out. (We actually call them in the regular construction circles a "Finger File") When you get them they are not threaded in the hole that the side to side adjustment bolt attaches to. We thread them and use a 1/4 x 20 bolt to do the adjusting. They actually save so much time that I rated them a 4 star anyway. Wish they would make a battery operated one. If anyone knows of one Would like to know it. I made a battery operated one but it was a little to hard to keep together, even though it worked good when it was together. The bearing on the end of the fingers gets threads from the belts in them and we end up having to clean these out a lot. Whether they actually improve them by talking to actual users I don't know but will keep using them. A whole lot more people would use them if they weren't so expensive. That would run the belt sales way up. lets say it is marginal that they would be used a lot. Then the ones buying them won't pay the outrageous price upfront for the product. If it were a lower price then they would buy it and use it. Also an off and on paddle would work better for our particular application. Thank you for the product. James TaylorRead full review
Verified purchase: Yes | Condition: New
You get what you pay for, and this is very true with Dynabrade. Very durable tool. This replaces one just like that gave us years of service.
Verified purchase: Yes | Condition: New
It is a good buy
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
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