1. Perfectly Compatible: 51mm bottomless portafilter. Tips: Please check to make sure your machine fits before purchasing! 2. Coffee Master Training Partner: The bottomless portafilter can help to observe the drip column, flow rate, color, stripes of the drip column, etc. and better judge the uniformity of extraction, thus making it more delicious 3. The coffee liquid extracted by the bottomless handle is fat and of better quality, so you can enjoy the bright golden brown coffee column that is immersed in espresso In beauty 4. The removable is convenient and easy to disassemble, easy to use. Color: Black + Silver Material: ABS + Metal Size: 51mm Package Contents: 2 x Coffee Handle 6 x Filter Cup (1 1/2/4 Cups Each) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.