http://www.lanemastersbowling.com/index.html
galen@lanemasters.com  
1-888-526-3645, M-F, 8-5, Pacific Time

I SHOULD know this off the top of my head, BUT I want to make sure that you get the correct info; if you call LaneMasters directly and ask your question, either Galen Gentry OR the "boys" that do their coverstock work would be more than happy to tell you the proper stpes and sequence.
Good luck !!!
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**** Official "L/LM" ball "junkie" ****
     15 balls ... and counting !!!
http://www.lanemastersbowling.com/index.html
 Man, I LOVE this game !!! And I love it even more ... now that I'm using LEGENDS and LaneMasters equipment !!!
 "Master the Lanes with Legendary hitting power" !!!

Robb in O'Fallon, IL 62269 (near Scott AFB)
LAYBZZ74@AOL.COM (Email and PayPal addy)

I believe it's 600 or 800 sanded then polished.
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Team Banger Bowling Test Staff

Boys, sorry for not posting; but few days ago I received answer from Galen:

320 wet sand
400 wet sand
800 wet sand
Lane Masters factory polish
White pad