This electropolished portafilter basket features deburred edges to ensure you get a precise and consistent pull of your favorite espresso. There are exactly 661 double punched holes which are noticeably larger and specifically designed to relieve back pressure, avoid channeling, and promote a smoother extraction. A nanoquartz finish inside the basket protects against corrosion, boosts longevity, and repels grinds, making for easy cleanup with a non-scratching cloth. Holds 15g of Coffee For use in 58mm Portafilters