Ring Brass Stud Earing Findings, Nickel Free, with Friction Ear Nuts, Real 18K Gold PlatedSize: Brass Ear Stud Findings: about 12mm in diameter, pin: 0.7mm, 40pcs; Brass Friction Ear Nuts: 6x4x3.5mm, hole: 1mm, 40pcs; plastic bead containers: 7.4x7.2x1.7cm, 1pc.