Package Includes: 100pcs fold-over crimp ends, 100pcs jump rings and 50pcs lobster claw clasps, totaling 250pcs, an all-in-one kit to meet your various crafting needs. Dimension: Fold over crimp ends: 8x4mm, fitting 3mm cords, hole: 2mm. Lobster claw clasp: 12x7mm, hole: 1.5mm. Jump ring: 6x0.8mm. Material: Made of premium stainless steel material, our jewelry making kit is of great quality and firm construction and excellent rust/oxidation resistance, great for long-time use. Wide Usages: The jewelry-making kit is suitable for jewelry making/repairing and DIY crafting projects, functional and practical to use. Design: Highly-polished golden finish creates a shiny and long-lasting sheen, great to add a luxury feel to your jewelry pieces and craftworks.