The Power Groove line has been a tremendous success for Brunswick. Designed primarily for bowlers buying their first performance ball, the Power Groove line delivers a tremendous amount of hook potential for the money.The Power Groove DryR GreenChrome is designed for a different type of bowler and lane condition.Less traction in the oil, a smoother reaction off the dry and a lower hook potential than the shiny Power Groove reactive balls, the Power Groove DryR delivers a better match up on dry lane conditions.High RPM players will find the Power Groove DryR to be the tamest of Brunswick's reactive coverstock balls, making it an excellent ball to go to on dry lane conditions.Low speed players who struggle to get the ball down the lane will find the Power Groove DryR creates more length, saving its hooking action for the back end where it belongs.Coverstock The GreenChrome Pearl features PowerBoost Dry, a tamer version of the PowerBoost reactive coverstock found on balls in the BVP line .Core The Power Groove DryR GreenChrome uses Brunswick's DISC Differential Increasing Side Cylinders core technology which providesThe largest track flare potential of any ball in its class.Consistent track flare potentials at all weights from 12 16 pounds.Larger, more consistent pin out distances at all weights from 12 16 pounds.A more driller friendly design. The precise geometric placement of high density side cylinders maximizes the increase in Track Flare Potential while maintaining symmetry for easy drilling.Reaction SetupYour Power Groove DryR GreenChrome Pearl can be drilled using the standard drilling techniques developed for two piece balls. Since the Power Groove DryR is intended for drier lane conditions Brunswick recommends using pin positions between 4 to 5 , avoiding the most aggressive 3 38 leverage pin position. See the included drilling instructions for reaction characteristics and layout details.Your Power Groove DryR GreenChrome Pearl is