Perfect Trim Ruler
Size :- 9.5 cm X 9.5 cm
1. Cover Chipboard and trim tabs as desired.
2. Determine thickness of chipboard by laying it flat and putting the ruler up next to it. Rotate ruler as necessary to find correct chipboard thickness.
3. Use the next highest number, align the 90 degree marking with the edge of the chipboard. Mark with pencil and trim with scissors or use craft knife.