Description
- Has 11 scales for 'queen or king size' brick spacings ranging from 2 7/8" to 3 1/2" on one side
- Marked with inches, 8ths, and 16ths on the other side
- Rule is marked with letters A thru K and numerals to show number of courses
- Made from a special Fiberglass reinforced ABS to resist abrasion and warping