McDermott iPro radial pool cue shaft. This is a LIMITED EDITION Collector Cue. McDermott G-Series G-Core Pool Cue Stick G208. McDermott K91C 52 Youth Short Pool Billiard Cue. The iPRO shaft have a Octadic Laminated Shaft Construction features eight spliced pieces of premium maple that are bonded together to form our most radial consistent shaft yet.