1 stone 14 lbs. Thanks secret eaters. Wait I think he is talking about actual rocks? What kind of crossfit shit is this? I've never seen this before. Here you go it's a big concrete ball with no handle. Looks like a great way to get broken toes to me but whatever floats your boat. https://www.youtube.com/watch?v=DWIzDEgcKzY https://www.youtube.com/watch?v=fHRwo7j7byk