Butterfly Max 510 Battery Pen – Silver is a sleek and reliable 510-thread device built for smooth, consistent performance in a slim silver finish. Discreet, portable, and compatible with most cartridges — everything you need, nothing you don't.

• Slim silver design for a clean, discreet look
• Compatible with most standard 510-thread cartridges
• Single-button control for simple, reliable operation
• USB charging for easy, convenient recharging
• Durable construction for long-lasting everyday use