Brass Ear Stud Findings, with Loop, Flat Round, Brass Friction Ear Nuts, Mixed ColorSize: Flat Round Brass Ear Stud Findings: about 12mm, hole: 1mm, pin: 0.5mm, 2 color, 10pcs/color, 20pcs; Brass Friction Ear Nuts: about 6x4x3.5mm, hole: 1mm, 2 color, 10pcs/color, 20pcs.