Made from 48.3mm diameter x 3.2mm thick high grade steel tube, Lock system Standards (Vertical) are formed by two cups a fixed bottom cup which is welded to the Standard (Vertical) at pre-located intervals i.e. 500mm and a sliding top cup. The forged blade ends of the Ledger (Horizontal) are located into the bottom cup. The top cup is moved down and rotated to secure the components in place and tightened by a hammer blow to give a positive and rigid connection.
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Ledger (Horizontal)
Made from 48.3mm diameter high grade steel tube with forged steel blade ends, which locate into the bottom cups of the Standard (Vertical) and are locked in place by the corresponding top cups.
| Code | Length (m) | Painted | Self Finish | Hot Dipped |
| PL-1311-06 | 0.600 | 2.370 | 2.300 | 2.530 |
| PL-1311-09 | 0.900 | 3.404 | 3.300 | 3.630 |
| PL-1311-10 | 1.000 | 3.750 | 3.650 | 4.000 |
| PL-1311-12 | 1.200 | 4.430 | 4.300 | 4.730 |
| PL-1311-13 | 1.300 | 4.850 | 4.700 | 5.170 |
| PL-1311-16 | 1.600 | 5.870 | 5.700 | 6.270 |
| PL-1311-18 | 1.800 | 6.600 | 6.400 | 7.040 |
| PL-1311-25 | 2.500 | 8.900 | 8.650 | 9.500 |
Intermediate Transom (Horizontal)
Made from 48.3mm diameter high grade steel tube. They rest upon the ledgers at right angles to reduce the span and provide extra support for boards. One end is provided with an integral locking device to prevent any movement along with the ledgers during use.
| Code | Length (m) | Painted | Self Finish | Hot Dipped |
| PL-1313-05 | 0.565 | 4.000 | 3.900 | 4.290 |
| PL-1313-08 | 0.795 | 4.850 | 4.700 | 5.150 |
| PL-1313-08 | 1.200 | 6.280 | 6.100 | 6.700 |
| PL-1313-13 | 1.300 | 6.590 | 6.400 | 7.000 |
| PL-1313-18 | 1.800 | 8.340 | 8.100 | 8.900 |
| PL-1313-25 | 2.500 | 10.900 | 10.600 | 11.650 |
