Reference

Worked disc examples

Sample angle-grinder checks: 4, 4.75, 6 in matches and an 8 in NO_MATCH case.

Common disc clears the 4.5 in step.

Examples

Between 4.5 and 5 maps to 5 in.

Examples

Larger disc needs 7 in.

Examples

Exceeds the 7 in ceiling on this site.