I will get some pictures of how they fold up to later. They weight 100 grains cutting diameter is 1 1/8 inches but like you said if they don't expand in a foam target you probably don't want to but these ones but then they are comming out with the ramcat and it is 1 1/4 inch cutting diameter and it expandes in foam targets to. any ways got to there website and look at the ramcat and tell me what you think of them