This Adapting Ring for Cokin P Series can be used in combination with polarizer and other Square P filters, or to protect the front lens element from dirt, fingerprints, and scratches.Features: * Brand new * New generic adapter ring for Cokin P Series filter holder * Compatible with Cokin P series filter system. Fits any lens with a 49mm filter thread# The adapter ring is an essential piece of the Cokin P series filter set. First, mount the metal adapter ring onto the front of your lens. You will then be able to attach a filter holder and color filters to your camera # Made of high quality anodized black aluminum (metal) # Extremely solid and lightweight. Specifically designed for your camera for a tight and secure fit. No wobbling or cross-threading.Package includes: 1* adapter ring