[Bottomless Portafilter &Contains Filter Basket and Dosing Ring]51mm Bottomless portafilter. Fine hole design, evenly filter the coffee powder, light to use. With the coffee dosing funnel, all the coffee goes into the filter basket, reducing mess [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 will 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 will 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 "tiger stripes spots" and if the extraction is not successful there will be "channel effects" golden streams"spatter states" Multiple flow columns" [Environmently Friendly Material]Our bottomless portafilters are made of environmentally friendly and odorless materials. The material of stainless steel is more sanitary and safer. With the advantages of oxidation resistance and corrosion resistance. All handles are made of 100% natural Wood, Smooth to the Press, and clear surface grain Material:Wood+alloy Size:51mm Package Contents:1 x Bottomless Portafilter 1 x Filter Basket Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.