Additional Info: Includes: (5) V511 Flat Elbows, (4) V5748 Switch and Receptacle Boxes, (3) V518 External Elbows, (3) V517 Internal Elbows, (10) V504 Mounting Straps, (100) No.10 Screws (bagged), (100) No.10 Anchors (bagged), (10) V5703 Supporting Clips