Hi DroppingPlates, sorry I’m slow getting back. The diameter is 73mm - the same size as a baseball. Yep, they’re silicone. There’s nothing I find uncomfortable, but it’s different. Pulling exercises are a test of grip-strength, whereas pressing movements are just different. You cannot lift as much though. I hope no one views this as spam, as I’m posting the following to best show my preference for use. DroppingPlates, here are some of my preferred exercises, but I do use them for almost everything, aside from if I’m going heavy on incline bench or deadlifts.
Triceps Pressdowns superset:
Incline Bench Press superset:
Upright Rows and Shrugs:
Shoulder workout:
Zottman Curls:
Stiff-Arm Pulldowns superset:
This review from Jim Vaglica throws up some good uses too:
Army of One, blue balls? Wrong product I’m afraid
Haider and falco, I haven’t flat benched heavy since my shoulder injury – I can, I just choose not to. No drugs either, my results are slow but sustainable and my life stable
Thanks for your interest Flexingtonsteele. I’ve already posted out a sample to one of the group members to report back. I’ll keep you in mind for any future promotions

. Thanks for the feedback too insanity_bb and V Man.
I hope this helps further. Have a good weekend folks

Matt
www.GymProfessor.com