Magic Metal Spike Studs Stretch Bracelet Silver Tone Gunmetal BC06 Edgy Punk Charm Bangle Fashion Jewelry Ships from the USA Spikes Bracelet. Polished studs give any look an edgy, dangerous vibe. Spike Size: 1/2 inch. Bracelet Width: 3 inches. Stretches to fit. Makes a perfect gift. Search Magic Metal Jewelry for more jewelry styles.