I have a leather belt loop for my tomahawk that is held together by four unknown type of rivets. Can someone please advise what type and possibly size the rivets are? I will try to attach a pic...well I guess I can't so I'll describe the rivet as best I can...the heads on both sides are perfectly flat and 3/8" in dia. They go through three pieces of leather totaling 3/8" in thickness. The maker used four of these totally. Thank you, MD