VALYRIA 5pcs Stainless Steel Flat Split Rings Keyrings Keychains Keys Holder 33mm(1 2/8") Stainless Steel made Style/Shape:split ring,key ring Approx:33mm(1 2/8");Hole size: 25mm(1") Thickness: 3.2mm( 1/8") Jewelry makers' must have Create a really attractive piece of jewelry