I have a few 15lb balls for sale. All right hand, and sarge easter grip. Span to middle finger is a little under 4" but not 100% sure on the exactop measurement.

Storm-
Freak N Frantic, 2nd drill. $15+shipping
Super Natural, 2nd drill. $20+shipping

Roto Grip-
Rumble, 1st drill. $40+shipping

Motiv-
Graffiti Tag, SOLD