Portafilter Holder For Consistent, Even Pressure Achieve optimal tamping pressure every time with this practical and compact tamping station. Designed to improve espresso extraction, it helps ensure a level and consistent tamp for better results in your cup. Product Details Damping ring protects your portafilter during tamping Dimensions: Diameter 95mm, Height 70mm Hand wash only - NOT dishwasher safe Genuine ECM Product No. 89429 / AC100103-00 This is the new version which includes a rubber ring inside the top of the stand (89429), the old version did not include this rubber ring (89420) *Please note this product is not compatible with the ECM Premium stainless steel portafilter.