I need help identifying exactly what kind of rims i have.

I don't know much about rims and i want to know what kind of rims are these, and also the 1st pic shows a crack that some of the rims have and how bad are they. Some of the writing on the rims is alsi7, 1934, 9jx19eh2, is40, 6 785 257, and i guess the manufacturer is Ronal. Sorry about the huge pictures don't know how to shrink them and such, thanks in advance. So sorry i thought this was a questions sub-form just noticed it was software forum i hope the forum admins won't get too mad.

I need help identifying exactly what kind of rims i have.