Lee's MX Pro Series Fixed Angle Center Rigger Holder - 22 Degree - 1.5" ID - Bright Silver [MX7001CR]MX Pro Series Fixed Angle Center Rigger Holder 22 1. 5" ID Bright Silver The Center Rigger has proven to be an effective tool when trolling. It should be the highest outrigger when the others are deployed in the fishing position. Its line runs straight down the middle with its bait being the farthest back. The Center Rigger bait, more often than not, is the one struck after the other baits have streamed by. MX Pro Series (1 1 2"ID) is the solution for