58mm Group Coffee Machines Portafilter VST Precision 7gram Single Filter Basket Note: This Basket Has An External Locating Ridge Experience uniform extractions across all groups for the first time - permanently. The essential espresso filter for those in search of the ultimate cup. Suits most E-61 group heads and any group that measures 60mm in diameter and work with a tamper 58.3mm. Dosing capacity is from 7 grams. Recommended for use with the following machines: La Marzocco, most Synesso, Nuova Simonelli models using their standard portafilters. Note: Please check the measurement of your current baskets and handles to ensure correct fitting Features: VST's new filters deliver consistent extraction performance. All VST Filters are warranted for ZERO defects! 100% of holes are measured on every filter for minimum and maximum range limits on area and diameter All holes are measured for circularity, placement, square area and blocked holes Filters are matched for total square opening to +/- 5% to ensure identical group-to-group performance (typical filters vary from - 50 to +100%) Specifications: Dosing Capacity: