304 Stainless Steel Bead Tips & Open Jump Ring & Lobster Claw Clasps Findings Kits, Real 24K Gold PlatedSize about: Calotte End: 8x4mm, hole: 1.2mm, inner diameter: 3mm, 250pcs; Open Jump Rings: 20 gauge, 5x0.8mm, 300pcs; Lobster Claw Clasps: 12x7x3.5mm, hole: 1.5mm, 50pcs.