I got a Clarke CRT40 rotary tool a few months ago & I wonder if it's possible to get just a good number of the extra cutting wheels I need, without having to buy a kit consisting mostly of other bits.
The part I'm interested in is a thin (unfortunately fragile) circular disk, about 20 to 25 mm diameter, which I use edge-on for cutting plastic housings open; for example, the 7 or so reddish-brown disks in the bottom of the picture here.