| Assembly Length | Tolerances (fractional inch) | Tolerances (decimal inch) |
| Up thru 12″ | 3/8″ | 0.375″ |
| Over 12″ thru 18″ | 1/2″ | 0.500″ |
| Over 18″ thru 36″ | 3/4″ | 0.750″ |
| Over 36″ thru 120″ | 1″ | 1.00″ |
| Over 120″ thru 25′ | 1.5″ | 1.50″ |
| Over 25′ thru 50′ | 7″ | 7.00″ |
| Over 50′ thru 100′ | 12″ | 12.00″ |








