2 Pack Square Slot Cutter Drywall Oscillating Tool, Stainless Steel Drywall Outlet Cutout, One Step In Place Electrical Box Cutter for Drywall, Plastic Metal, Wood (Rectangle + Square)

These are both the proper size for standard US remodel boxes "old work".They are a very snug fit on my Dewalt DCS356 (and any other dewalt 20v multi tool model. Just make sure the clamp lever is pulled up fully, and snap the blade over the shaft with a little pressure. Check that the blade is lined up with the pins, and that the clamp is fully engaged, and it should last quite a long time.(If it isn't installed correctly, it will bend or break.)I have cut around 30 holes with the single-gang blade, and 12 with the double gang blade. Still sharp and cutting perfectly.

This product isn't made that well. The peace that connect to the machine is to fragile. The Quad box cutter broke within the first use. And the single gang box cutter. Had gotten loose after only 20 use.I wouldn't order this product

I recently added 3 outlets in my garage and since our garage is a finished and insulated garage, I wanted to install the outlets like in the house, within the sheetrock to keep that finished look. After setting up my laser level and with the studs marked with blue painters' tape, I grabbed my DeWalt oscillating tool with this attachment and in seconds had the correct size holes cut into the drywall for installation. Took the outcut piece of drywall out and took with me to Lowe's to have paint matched too. End product came out great. This attachment is well worth it for those of us that aren't drywall guys for sure!

not as sharp as i thought they would be but worked fine

Boxes aren’t one piece, so the oscillating tool doesn’t cut well. Boxes should be one solid piece so it cuts cleanly and doesn’t take so long to cut through drywall. They work ok. I’ve resorted to hand cutting with a jab knife.

Adding more receptacles to a 1950's home,it cuts perfect holes for remodel boxes. Cut through 3/4" drywall and plaster.

Maybe it was sorta useful…if you hit the back of it with a hammer and get an outline on the wall for where to cut the hole out by hand. It just didn’t vibrate enough or in the right way to get the rectangle shape to cut. And there were no instructions or tips on how to use it more effectively.

Makes a slightly larger hole than I do for outlets. Quick and easy on sheetrock.

Marche bien

Very cheap, broke 1st time I tried to use it

This would not even cut through a 1/2 inch sheet of drywall. Super disappointed in this item.