The Universal Battery Holder is specifically designed to securely hold all Quantum, Lumedyne and Metz 60 Series battery packs to most light stands, mono-pods and tripods. Its rigid, extremely lightweight aluminum construction provides great benefit without adding excess weight to your bag. Ideal for commercial, wedding, location or studio use. Recommended for use with Lumedyne systems and Metz 60 Series strobes when using Multi-Brackets MB-1, MB-2, MB-3, and MB-4. Black Anodized.