Attach your wetlenses to this holder when not in use. Keeping them nearby prevents loss and protects them from scratches or bumps. This holder is designed for a single wetlens and is mounted on the cold shoe mount atop your housing. Made of black hard-anodized aluminium alloy, it is compatible with 67mm-threaded lenses. Dimensions: 58.5mm x 19.3mm. Weight: 59.8g.