Design: The storage rack is compatible with espresso puck screens, suitable for 51-58mm portafilters. Simply place the handle underneath and the water distributor will be automatically absorbed. Adjustable Angle: This storage rack features an adjustable angle with a wide range of approximately 270 degrees. When not in use, it can be folded up to avoid obstruction, offering convenience and space efficiency. Material: The coffee filter holder is crafted from aluminum alloy. Easy Cleaning: The stand has a smooth surface that can be easily wiped or lightly brushed for cleaning. Self-Paste: The coffee puck screen holder comes with adhesive tape, allowing direct attachment to suitable wall surfaces without drilling holes or damaging walls, effectively saving countertop space. Size: 5.1 cm (2.01 inches) Package Includes: 1 portafilter filter screen, 1 storage rack Note: Please allow slight measurement differences of 1-2 cm (0.39-0.79 inches) due to manual measurement.