DIY Jewelry Making Finding Kit, Including Iron Bead Tips & Curb Chain Extender & Jump Rings, Alloy Lobster Claw Clasps, Mixed ColorSize: Iron Bead Tips: about 4x8x1.5mm, hole: 1.2mm, 40pcs; Iron Curb Chain Extender: about 44~45mm, Link: 5.5x4x0.7mm, 20pcs; Alloy Lobster Claw Clasps: about 12.5x8x3mm, hole: 1.2mm, 20pcs; Iron Jump Rings: about 17 Gauge, 8~8.5x1.2mm, Inner Diameter: 5~6mm, 40pcs; Rectangle Transparent Plastic Bead Containers: about 7.3x6.9x2.4cm, 1pc.