Comes in a plastic case with 12 different size cutters. See below for sizes. The cutters can be used with a standard drill.
Suitable for wood, plastic, plasterboard.
5" / 127mm
4" / 102mm
3.5" / 89mm
3" / 77mm
2.5" / 64mm
2" / 51mm
1 3/4" / 44mm
1 1/2" / 38mm
1 1/4" / 32mm
7/8" 22mm
3/4" 19mm