All of these balls are 15 pounds, single drill.  All of these balls are plugged resurfaced and oil extracted.
T-road Solid
Vivid
Jolt Particle
Super Power
Crossroad
Hy-road(2)
Tropical Heat
Anarchy
Virtual Gravity Nano

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