Dremel 678 Circle Cutter and Straight Edge Guide, Rotary Tool Attachment, Fits Dremel Models 4300, 4000, 3000 and 8220

from Conan

I used this tool to cut holes for cooling intake and exhaust fans (80mm usb) The cabinet was a light steel ikea bathroom cabinet and although the rotary tool got quite hot it made a nice job. I would definitely recommend working clockwise at full speed, regulating the pressure to maintain a stead...

from chris

I build hight power model  rockets in the 4-8" range and use the tool to cut rings and bulk heads . much cheaper to do it your self . little hard to use sometimes . just have to go slow 

from JM Hauser

I bought this tool to cut app. 2-inch to 12-inch arcs and circles in quarter-inch acrylic. I started cutting with the 561 Multipurpose cutting bit that came with the kit. Trying to make a single cut proved impossible, as the bit chattered too much. But by backing off and making 3-4 passes of incr...

from KamVI

[This review was collected as part of a promotion.] I kept this tool for a while, anticipating the day I would need it. Recently, I needed to create a hole in the cabinet's bottom to install a microwave. Following the instructions was straightforward, but I encountered difficulties with pilot hol...

from NaParente

Absolutely no regret about buying this. Cut the 2 3/8" hole very precisely in 1/4" plastic of rain barrel. Next project, cut hole in ceiling and move kitchen light over by a foot. Glad I don't have to buy any hole saw of other sizes at all.