Fancasen 360pcs Stainless steel 8-25MM watch ear Material: Stainless steel. Total 18 kinds of sizes each size has 20pcs watch ear Watch ear diameter : about 1.5mm/0.06inches. Size : 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 25mm.