2 - 8ft x 8ft ditch shields, 2 - 8ftx4ft ditch shields can be combined to make a12ft high x 8ft long configuration or put together for a 16ft long x 12ft high shield. Shields are 4ft wide with removable inner bracing. Can be set in ditch with backhoe or small excavator, probably a 10 ton machine. Includes a walk way to access top of ditch shield. $1850 for all 4 pieces and walk way . Will load units at our shop. Call John Talley at show contact info