FITS 54MM BREVILLE PORTAFILTERS -- 53.3mm PRECISION base designed to work with the tapered Breville 54mm portafiler baskets, including the Barista Express, Pro, Touch, Bambino, Bambino Plus, Infuser and Duo-Temp Pro CONSISTENT SHOTS EVERY TIME - Leveling your grounds before tamping creates a uniform and consistent tamp ADJUSTABLE DEPTH - Set your desired tamping depth for consistent tamping pressure every time FAMILY OWNED - As a small family owned business we're passionate about our products. We care deeply about the community we're building and would love for you to be a part of it! HEAVY DUTY - Aluminum sleeves and heavy 304 stainless steel base - 1lb 3oz total weight. Distributor/Leveler and tamper in one