Easy to install, which is convenient to use.\r Material: Alloy\r Item Type: Espresso Distribution Tool\r Fit for: 51/58mm filter holder\r Name: Coffee Distributor\r A necessary tool for handmade coffee.\r Made of high quality aluminum with ABS, durable and practical.\r Brand new and high quality!\r Size: As shown in the picture\r Color: Black\r Description\r 51mm Adjustable Coffee Distributor - 51mm base designed to work with 51mm filter holder\r 58mm Adjustable Coffee Distributor - 58mm base designed to work with most filter holders and espresso machine models\r Low profile makes it easier for barista to tamp with straight arm at 90 degrees to the counter. Distributes coffee grounds evenly and provides a larger flat surface for the barista to apply even tamping pressure with the palm of their hand, which helps with control and consistency\r \r Package includes: \r 1pc Coffee Distributor\r \r Note:\r Please allow 0-1cm error due to manual measurement. \r Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!