Beckson developed the first pry-out deck plate. These plates were designed with an extra heavy O-ring to assure a water tight fit. This model of plates has a non-skid raised dimple center. Pry-out plates should be installed in areas where internal pressure oil-canning is not present. Trim ring outside diameter measures 8-18 hole cut is 6-12 passage is 6-316. California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Deck Hardware Wiser Yes Fa