- 2. 5' - $250.00 each- 5' - $350.00 each- 10' - $ 500. 00 each- 4 way corner block - $350.00 each- 6 way corner block - $450.00 each20. 5" x 20. 5" HD Plated Box TrussC$250.00PriceQuantityAdd to Cart