Rockwell RW8926 2-1/2-Inch Sonicrafter Oscillating Multitool Diamond Coated Semicircle Saw Blade with Universal Fit System

This was the perfect tool for the job. It made quick work of removing grout in order to regrout.

If used on materials it it designed for, this cuts great and lasts long. Resists filling up with cut material to keep the grip open for more cutting.

Not exactly what I thought I was going to get, but found a great application for it to grind down concrete fins.

I purchased this blade to do some pointing work on my basement wall. Of course I used a diamond wheel on my angle grinder for wide mortar joints, but I used the Rockwell blade with my Fein Multimaster for tighter mortar joints and for removing surface blemishes (high spots) on the block. This blade also worked well at removing excessive paint from the blocks. Although this blade doesn’t work very fast, like a diamond wheel, it does work much better than I expected. So far I have used this blade for around 8 hours of grinding, and it’s holding up very well.

I do boat work, this did not work well on thin fiberglass, on heavy fiberglass it cuts very slow. The grit size is very small.....now I use a sabersaw with a Remington grit blade....works much better. This blade probably is great on ceramic....not good for fiberglass.

Not sure what is will cut but it sure as heck won't cut ceramic bathroom tile. The description says it will "score" ceramic tile but I could not even do that with any degree of accuracy.

i contacted Rockwell to explain the work I was doing and they recommended this blade. The blade worked perfectly cutting perfectly through a wall and ceiling consisting of rock lathe, scratch coat of cement, and plaster.

This tool may be good for something but I have not found it yet. I bought this to trim back my wall tile a little bit to open up my electrical box openings about 1/8 of a inch. Bottom line I ended up just popping the tiles back off the wall because I had not grouted yet and cut new tiles on my Mk pro in about 15 minutes for 8 outlets. Do not buy this tool if you intend to use it to modify ceramic tile.