BOWLING BALL COVERSTOCK TYPE: Reactive Pearl BOWLING BALL COVER NAME: S70 Pearl Reactive BOWLING BALL CORE SHAPE: Symmetrical Core BOWLING BALL CORE NAME: 900 Global Lacerate 2.0 Symmetric RADIUS OF GYRATION: RG (15LB): 2.54 DIFFERENTIAL: DIFF (15LB):.053 MASS BIAS STRENGTH: N/A FLARE POTENTIAL: 4 – 5 Inches SURFACE FINISH: 1500 Grit Polish BALL LANE CONDITIONS: Medium – Heavy Oil BALL WEIGHT: 12LB, 13LB, 14LB, 15LB, 16LB BOWLING BALL COLOR: Green