Genuine Gerber 92-329 Trim Cap. This Cap Is What Holds The Cartridge In. G0092329, 0092329, 92329. The height of this trim cap is 1 1/4 inches, the inside diameter of the bottom is 1 15/16 inches, the outside diameter of the bottom is 2 1/8 inches. The ID of the top is 1 9/16, the outside diameter of the top is 1 15/16.