[Ergonomic and Movable Design]Wooden handle with ergonomic design, making the grip more comfortable and stable operation. Removable design, disassembly, and assembly are convenient and quick. The slope of the stainless steel design allows the handle to be placed more smoothly and does not tilt to the sides. We do not recommend washing in the dishwasher, the high temperature discolor the handle [Coffee Master's Training Partner] The bottomless filter allows you to find and correct extraction problems, whether your grind is wrong or your mash is incorrect, the bottomless filter let you know. This is a great tool for beginners and experts alike. You can see that when everything is going perfectly, the golden espresso is showing " spots" and if the extraction is not successful there be "channel effects" golden streams"spatter states" Multiple columns" [Bottomless Portafilter &Contains Filter Basket and Dosing Ring]54mm Bottomless portafilter is designed to work for and Sage Series, which contains BES880, BES878, BES870, BES840, BES810, BES500, Express, Press, for Pro, Infuser, Duo Temp pro. Fine hole design, evenly filter the coffee powder, light to use. With the coffee dosing funnel, all the coffee into the filter basket, reducing mess [Environmently Friendly Material]Our bottomless portafilters are made of environmentally friendly and odorless materials. The material of stainless steel is more sanitary and . With the advantages of oxidation resistance and resistance. All handles are made of 100% natural Wood, Smooth to the Press, and clear grain