Fits most commercial equipment portafilters that accept a 58 mm tamper when using traditional espresso coffee portafilter baskets. Over-all outside diameter measures 70 mm. 21.5 mm tall. The outside walls of the basket measures 60 mm in diameter. The bottom of the basket measures 56 mm wide at it's widest, like where the pod would sit. The perforated portion of the basket measures 34 mm across. These also have a third radial indentation in between the outside of the basket and the perforated portion measuring 40 mm in diameter.