Lock Ring for Nikon AF-S Nikkor 120-300mm f/2.8E FL ED SR VR lens - Petal Hood.

A lock ring is included with every lens hood order if required by the lens hood.
Lock Ring for Nikon AF-S Nikkor 120-300mm f/2.8E FL ED SR VR lens.  Compatible with Zemlin Photo HZ-41 Petal Series Hoods.  Approximate weight: 20g.  Order only as a replacement or if using a hood on multiple lenses.