18 x 12 General Purpose Truss G.P 12" x 18" x 10' Truss w/ Bolts Code: 23-12-18-0600 Price: $791.00 Quantity in Basket: none G.P 12" x 18" x 8' Truss w/ Bolts Code: 23-12-18-0601 Price: $680.00 Quantity in Basket: none G.P 12" x 18" x 5' Truss w/ Bolts Code: 23-12-18-0602 Price: $543.00 Quantity in Basket: none G.P 12" x 18" x 4 Way Corner Block w/ Bolts Code: 23-12-18-4608 Price: $499.00 Quantity in Basket: none Base Plate for 12" x 18" Truss Code: 23-12-18-4620 Price: $311.00 Quantity in Basket: none