Alright, no finger inserts in any balls, and all are at 4-1/2 to 4-5/8 spans. Further details listed by each ball, all are 15lbs, and in good shape. Prices shipped, will work with you if you buy multiple balls. Located in central illinois incase anyone is local-ish and wants to save shipping, PAYPAL only unless meeting local, then cash works.

15lb Motiv Chronic Paranoia single drill, has weight hole, pin is in the ring finger hole $65 shipped
https://imgur.com/1BhrSU5
https://imgur.com/XjWRQr9
https://imgur.com/3CWSwZk
https://imgur.com/HlGvzXW
15lb Motiv Venom Shock Pearl single drill $65 shipped
https://imgur.com/izQvdRb
https://imgur.com/Sl32ce2
https://imgur.com/23R5O7b
15lb Motiv Octane Carbon single drill $60 shipped
https://imgur.com/PXd3bdz
https://imgur.com/m5CQGgF
https://imgur.com/Neaf9vj
15lb Motiv United Revolt single drill $60 shipped
https://imgur.com/3ifNXjl
https://imgur.com/OKzTvMp
https://imgur.com/6ELNJ4Z
15lb Motiv Ascent Apex single drill, thumb is a switch grip outer $45 shipped
https://imgur.com/nV4XHwx
https://imgur.com/sa95ya8
https://imgur.com/N553rZA
15lb Motiv Octane Burn single drill, has weight hole $50 shipped
https://imgur.com/EYPPPZb
https://imgur.com/ipMHiij
https://imgur.com/cq5ocnw
15lb Motiv Rebel Tank single drill $60 shipped
https://imgur.com/mm3cYB4
https://imgur.com/JpGtDQo
15lb Motiv Tank single drill $60 shipped
https://imgur.com/HOWUNpU
https://imgur.com/0bAxI2W
https://imgur.com/cUPnjvb
15lb Motiv Forza, second drill $40 shipped
https://imgur.com/8GdCsKB
https://imgur.com/06OZ9FK
https://imgur.com/3N5uy1c

Will probably add some more to this post later, shoot me a PM. Thanks!