I have had these kettlebells for a while now, and overall, I really like them and haven't had any problems. I like that the handle is wide, and there weren't any ridges, etc. on it that would cause abrasions, etc. on my hands.My only reason for not giving these 5 stars is that there is a little vinyl bump on the bottoms, which makes them unstable for use with moves like the renegade row, which you do see in some kettlebell routines. The instability is of such a nature I think it would increase tSee full review