The perfect accessory for your home espresso coffe bar, the Juan standard size commercial espresso coffee knock out box features a wide base that also includes a spot for your espress coffee tamper (sold separately). This handsome box makes knocking packed espresso grounds from filters a simple step in the process of making espresso coffee. The sleek box is made from 18/10 stainless steel, include a removable rubber-coated bar, and sit in a heavy, non-slip rubber base. The wide base has an indent for storing your espresso tamper. The box is dishwasher safe. Using a knock box to remove used coffee grinds from a portafilter is an important barista technique since it helps reduce the loss of heat in the handle compared to rinsing in a sink. Standard size knock box is 4½" wide, 4¾" deep, and 6¼" tall - perfect for home or light commercial use. With Base: 8½" wide, 4¾" deep, and 6¼" tall. (Tamper not included.)