If you can only keep one.. then i would go Inertia! My Inertia hooks on any lane condition out there. And it's even drilled weak/kinda smooth layout. It's drilled 3 1/4 x 0 .. very smooth. Sometimes when it hooks, it looks like it stands up and goes, nothing sharp, and nothing flippy. It's current surface is at 800 grit and i love it. I can use it on any lane condition like i said. It's amazing. Any questions feel free to ask.
BTW, also hits very, very hard. It's sometimes unbelieveable. Especially tonight. I had the 3-4-6-7 split standing. I hit the 3 and 6 dead on, and they went into the pit. About a second later, they came back and hit the 4 and 7.. it was crazy!
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BrIan Track LegionInertia,
EQuation ,
DEsert HeAthttp://trackbowling.com/ "Track...you Just can't Beat That!"