Weber 88203 11-1/2" Catch Pan Rails with 2 Hex Screws for Genesis Silver B/C w/ 3 holes Weber 88203 11-1/2" Catch Pan Rails with 2 Hex Screws for Genesis Silver B/C with cookbox with 3 holes. These rails have 3 holes and 2 tabs for attaching to the cookbox. The Replacement Catch Pan rails are designed slightly different than the original rails and are attached to your grill by screwing one screw into the center of the rail. The 2 tabs on the rails are to be inserted into the old screw holes. Only 1 screw is needed for attaching when ordered for a cookbox with 3 holes. This set of rails includes the screw.