<p>Color:Dull Silver Plated</P> <p>Open Jump rings:4mm in diameter, 0.8mm/21 Gauge thick(15g about 300pcs);Open Jump rings:5mm in diameter, 0.8mm/21 Gauge thick(15g about 250pcs)</p> <p>Open Jump rings:6mm in diameter, 1mm/19 Gauge thick(14g about 170pcs);Open Jump rings:7mm in diameter, 1mm/19 Gauge thick(14g about 120pcs)</p> <p>Open Jump rings:8mm in diameter, 1mm/19 Gauge thick(13g about 90pcs);Open Jump rings:10mm in diameter, 1mm/19 Gauge thick(12g about 44pcs)</p> <p>30pcs of Lobster Claw Clasps: size: about 7mm wide, 12mm long, hole: 1.2mm</p> <p>Material:iron.Lead and nickel free.</p>