Product Description Columbia 300 is excited to introduce a strong, asymmetric, polished ball back into the line with the new Atlas Hybrid. The Atlas Hybrid fills a great void in the Columbia 300 line and this performance is just what Columbia 300 needs the bowling season. The Atlas core shape creates medium length with a strong change of direction on the back end due to the dense flip block on the bottom of the core body. The core shape, along with the HK22-Formula 1 Hybrid, makes this a longer and more angular ball than previous polished asym balls in the line. The brilliant color scheme and booming backend will get some attention this season.Color: Sky Blue/Orange/Dark Purple *Please note that colors may slightly vary from image shownCoverstock: HK22 – Formula 1 HybridWeight Block: Atlas AsymmetricFactory Finish: 500/1000/1500 Siaair Micro Pad / Crown Factory CompoundFlare Potential: 6″ Plus (high)Radius of Gyration (RG): 2.520Differential (Diff): 0.054Intermediate Differential (Mass Bias): 0.018WeightRGDiff.Interm. Diff.162.5300.0470.016152.5200.0540.018142.5420.0540.018132.5970.0410.014122.5930.0410.014