eBoot 1500 Pcs Open Jump Rings 3mm 4mm 5mm 6mm 7mm 8mm 10mm Box Set for DIY Jewelry Making Findings Jump ring sizes: 3mm / 4mm / 5mm / 6mm / 7mm / 8mm/ 10mm Suitable for all your jewelry making and craft ideas Come with a plastic travel organizer Made of zinc alloy Box size: 15.5*3.5*1.8 cm (L*W*H)