20.5 x 20.5 General Purpose Truss GP 20 -1/2" x 20-1/2 x 10' Truss w/ Bolts Code: 23-20-20-0400 Price: $865.00 Quantity in Basket: none GP 20 -1/2" x 20-1/2 x 8' Truss w/ Bolts Code: 23-20-20-0401 Price: $765.00 Quantity in Basket: none GP 20 -1/2" x 20-1/2 x 5' Truss w/ Bolts Code: 23-20-20-0402 Price: $616.00 Quantity in Basket: none Four-Way Corner Block w/ Bolts for GP 20-1/2" x 20-1/2 truss Code: 23-20-20-4407 Price: $622.00 Quantity in Basket: none Base Plate for 20-1/2" x 20-1/2" Truss Code: 23-20-20-4620 Price: $311.00 Quantity in Basket: none