I know there's some bigger paws than mine but I wear a 14-1/2 ring on 6 fingers and both thumbs just a 10 on the pinkies .
Ive sized 22,25,26,27,28,30,32,35,40, and 45 cal without any difficulty getting stuff lined up . 22s as light as 37 gr ......
Maybe I'm just delicately ham handed .
Anything that serves as an alignment device that isn't a sliding cup like a primer ram rod will mark things up .