An optical fiber distribution element comprising: a chassis defining an interior; a movable tray slidably movable from within the chassis to a position at least partially outside the chassis , the tray defining a front end and a rear end ; a slide mechanism which connects the movable tray to the chassis ; at least one hingedly mounted frame member within the tray which hinges about an axis perpendicular to the direction of movement of the movable tray ; and a cover mounted adjacent the rear end of the tray and movable between an access position and an operational position when the tray is in an open position, only the operational position of the cover allowing the tray to move from the open position to a closed position, the access position allowing access to the at least one hingedly mounted frame member , and the cover in the access position preventing the tray from moving from the open to the closed position; characterised in that the at least one hingedly mounted frame member is removably mounted to the tray via a locking structure , wherein the locking structure is defined by a hinge pin and a spaced apart retention tab defined on the frame member and a hinge opening and a flexible tab defined on the tray , the hinge opening configured to receive the hinge pin in an insertion direction and the flexible tab configured to elastically flex along a horizontal plane defined by a bottom wall of the tray to receive the retention tab and to provide a stop surface to prevent slidable movement of the retention tab in a direction that is opposite of the insertion direction of the hinge pin into the hinge opening , and wherein the flexible tab is provided within an aperture defined by the tray , wherein at least one edge of the tray that defines the aperture is configured to provide a positive stop to limit flexible movement of the flexible tab along the horizontal plane defined by the bottom wall of the tray . a chassis defining an interior; a movable tray slidably movable from within the chassis to a position at least partially outside the chassis , the tray defining a front end and a rear end ; a slide mechanism which connects the movable tray to the chassis ; at least one hingedly mounted frame member within the tray which hinges about an axis perpendicular to the direction of movement of the movable tray ; and a cover mounted adjacent the rear end of the tray and movable between an access position and an operational position when the tray is in an open position, only the operational position of the cover allowing the tray to move from the open position to a closed position, the access position allowing access to the at least one hingedly mounted frame member , and the cover in the access position preventing the tray from moving from the open to the closed position; characterised in that the at least one hingedly mounted frame member is removably mounted to the tray via a locking structure , wherein the locking structure is defined by a hinge pin and a spaced apart retention tab defined on the frame member and a hinge opening and a flexible tab defined on the tray , the hinge opening configured to receive the hinge pin in an insertion direction and the flexible tab configured to elastically flex along a horizontal plane defined by a bottom wall of the tray to receive the retention tab and to provide a stop surface to prevent slidable movement of the retention tab in a direction that is opposite of the insertion direction of the hinge pin into the hinge opening , and wherein the flexible tab is provided within an aperture defined by the tray , wherein at least one edge of the tray that defines the aperture is configured to provide a positive stop to limit flexible movement of the flexible tab along the horizontal plane defined by the bottom wall of the tray . <EOS>