Brunswick Mastermind Intellect Bowling Ball Honor Roll A plus Solid coverstock offers the most aggressive coverstock to date for a Brunswick ball This aggressive coverstock produces easy length through the heads with unsurpassed traction in the mid-lane and backend to achieve ultimate hook The Mastermind Ultra Low RG core features a single density squared-off elliptical inner core Hook Potential: 220 (scale 10-225) Length: 130 (scale 25-235) Breakpoint Shape: Angular Recommended Lane Condition: Medium-Heavy Oil The Mastermind Intellect can be drilled using the standard drilling techniques developed for asymmetric core bowling balls.