Magic Metal Spike Studs Necklace Silver Tone Bullet NH60 Edgy Punk Statement Chain Fashion Jewelry Ships from the USA Spikes Chain Necklace. Polished finished stud charms with an edgy, dangerous vibe. Spike Size: 3/4 inch. Entire Length of Necklace, Open Laying Flat: 16.5 inches. Makes a perfect gift. Search Magic Metal Jewelry for more jewelry styles.