Laminated and scored. Folds and fits in your wallet! 10 Panels Depicting: 3ph Output Voltages, Primary Connection Aid, Paralleling Secondary Coils, Paralleling Transformers, Connection Diagrams for Open-WYE, Open DELTA; Open DELTA, Open WYE; DELTA-WYE; DELTA-DELTA; WYE-DELTA; and WYE-WYE. Quantity pricing. Call for more information. Quantity pricing: 1-49: $5.95 50-99: $4.95 100+: $3.95