Motiv Limited Edition Revolt Uprising Bowling Ball 16 This core is wrapped with This core is wrapped with the SPEC Solid Reactive coverstock which is not affected by heavy oil and keeps a powerful motion through the backend of the lane The Dexter Womens Harper is part of Dexter's Comfort Casuals Collection The Helix™ cover stock was used on the Revolt™ Havoc previously and this new formulation is modified using new technology to handle modern lane oil and higher volume patterns 056 (15lb)Flare Potential HighCore Vanquish™Coverstock Helix™ MXC Solid ReactiveFactory Finish 2000 Grit LSSColor OrangePerformance High Performance