Several good Storm balls for mediums to drys. Jolt and Jolt Pearl, Sure Fire and Spit Fire, T-Road Pearl with a weaker layout, Thunderstruck Pearl and Tropical Storm.
You could drill a Sure Fire with a medium flaring pin location (5") and hit it with polish on top of the 4000abr surface and get much more length thru the front with enough movement on the backend.
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Mike Craig-Columbus, OH