Looking for a 15# RH Urethane/Plastic Spare ball with something close to a 4 11/16 span.

Also, willing to trade my RH Roto Grip Totally Defiant 15# ball with 4 1/2 and 4 3/8 span single drill with only 5 games on it for any of the following:

Roto Grip Hyper Cell 15#
Storm Zero Gravity 15#
Storm Byte 15#
Hammer Deadly Aim 15#
Brunswick Aura Paranormal 15#
Storm Marvel S 15#

Looking primarily for single drill but open to most any offers. The Totally Defiant cover is about 9.75/10. I would keep it but the pearl coverstock doesn't fit my bowling style. Thanks for looking! I will post pictures when I get home from work later.