Magic Metal Layered Spike Studs Stretch Cuff Bracelet Silver Tone BC11 Edgy Punk Bangle Fashion Jewelry Ships from the USA Spikes Bracelet. Three luxurious layers of 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.