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4 " Ledgerock |
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All calculations must be made using feet as the measurement. For using the depth box see the chart below. |
12' Length X
8'' h = 40.2 lbs |
| 1"=0.08 |
2"=0.17 |
3"=0.25 |
4"=0.33 |
5"=0.42 |
6"=0.50 |
| 7"=0.58 | 8"=0.67 | 9"=0.75 | 10"=0.83 | 11"=0.92 | 12"=1.00 |