Cambro Soft Gray Half Size Open Camrack Extender This Cambro HE3151 soft gray half size open extender is perfect for adding additional height to your half size Camracks. Each open extender measures 19 3/4″L x 9 7/8″W x 2″H. To learn about our promos/discounts for this product, click here. Categories: Smallwares, Warewashing & Stewarding Supplies Tag: Racks Related products Cambro 64 oz. Customizable Covered Plastic Pitcher Tuxton Colorado Bright White Narrow Rim China Fruit Bowl Monkey Dish 4.5 oz Tuxton Healthcare Eggshell China Tea Pot Without Lid 10 oz.