This 54mm Bottomless Portafilter is designed to work with / Sage Barista Series BES880, BES878, BES875, BES870, BES840, BES810, BES500, Barista , Barista Touch, Barista Pro, Infuser, Duo Temp pro. Made of high quality food grade stainless steel and aluminum ; the aluminum handle looks great and is comfortable to hold. With this 54mm espresso bottomless portafilter, you'll be to see the extraction in real time to understand if you're grinding and tamping correctly. Detachable design, convenient and quick to disassemble, easy to use, and easy to clean. Item Type: 54 mm Bottomless Portafilter Colour:Black :Stainless steel + aluminum Package Contents: 1 x 54mm bottomless portafilter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.