MAKES PREPARING THE PUCK EASIER:this portafilter holder will make your espresso ritual considerably easier and more streamlined. Shots pulled using a portafilter show little to no channeling now, compared to preparing the puck on a mat. Bringing the portafilter closer to you and giving it a firmer and more stable stand/hold, i.e., holding it by the edges vs the bottom or the spouts, make for a better work flow for preparing the puck FIT for MOST ESPRESSO PORTAFILTER: This coffee portafilter hold can work with most 51mm, 53mm, 54mm, 58mm coffee portafilter. It comes with two different size ring. When the small ring installed, the holder can work with most 51/53/54mm espresso holder.When the large ring installed, the holder can work with most 58mm espresso holder Food-grade 7+10 NeedlesMade of 304 food-safe stainless steel, healthy to use, strong and also won't bend. Our espresso accessories have 7 thinner needles (installed) that can distribute grinds evenly, 0.4mm in diameter is the perfect size to break up coffee clumps, maximizing extraction and minimizing channeling. We also will give you an additional 10 needles for replacement. The uniform coffee powder will make the coffee flavor purer. Premium Build to top-tier qualityOur espresso accessories set handles and stands are made of aluminum alloy, which is corrosion-rust-resistant and long-lasting. Ergonomically designed with an easy-to-grip that feels comfortable in the hand and does not slip easily. A unique stand prevents the needle from touching the table and can pick and place the handles with the needle at will, which not only protects the steel needle but also keeps it clean. With high-quality materials, all parts of the product can be cleaned quickly.