Espresso Knock Box stainless steel 4" deep UPDA-KB-164 ( New ) Product Description: Commercial Quality Great for Restaurant or Home Upda-KB-164 is Espresso Knock Box stainless steel- used to knock those spent espresso grounds out of the portafilter basket with ease, speed, and no mess. A must have accessory for espresso machines. The dimensions of the knock box are 4" deep. Dimensions overall: 7"L x 6 1/2"W x 4"H Weight: 1 LB Refund or Exchange: All return require pre-authorization, must be made within 14 days of receive, in original condition with packaging (New and Unused), and subject to 20% restocking charge. Exchange or refund. We shall not be liable for any merchandise defects, spoilage of products, loss of sales, or consequential damages. Buyer is responsible for all associated shipping costs for undelivered, unclaimed, or returned packages unless we have made an error in the listing or the item is defective. If you ask for a refund during valid period, we will offer you a refund without postage charges. Shipping and handling charges, insurance are not refundable in any case.