Surface: FiberglassCore: PolymerAvg. Weight: 7.4 - 8.0 oz.Grip Size: 4 1/8 in.
Surface: Vinyl Core: Polymer Avg. Weight: 7.6 - 8.0 Grip Size: 4 1/4 in.
Surface: Graphite Core: Polymer Avg. Weight: 7.3 - 7.8 Grip Size: 4 in.