All of these balls are 15 pounds, single drill. They are all plugged, resurfaced, and oil extracted.
Mission(2)
mission x
mission 250k
Pursuit
Magic touch
magic touch x-out(2)
Cyclone
Cyclone x-out
One pearl x-out
Predator(2)

Check the pics and prices at http://www.strikeagainbowling.com/refurbished?category=15