Expertly designed for compatibility with NiSi V5, V5 Pro, V6 & C4 Filter Holders Facilitates use of various filter thread lenses with the 82mm thread Constructed from lightweight, durable aluminum-alloy Features a corrosion-resistant, black anodized finish for enhanced durability Precision-engineered for a perfect fit with NiSi filter systems Enhances creative flexibility by allowing easy lens switching