Designed for Breville 8 Series portafilters, this rotary-lock dosing ring keeps grinding clean and controlled, with a wide-mouth design that contains grounds for smooth, hands-free operation. Breville 8 Series Compatibility: Designed to fit Breville 840 / 870 / 875 / 876 / 878 / 880 portafilters, including single, double, and bottomless configurations. Wide-Mouth Ring Geometry: Features a raised, open profile optimized for dosing and distribution tools such as WDT needles. Rotary Locking Structure: Utilizes a twist-lock interface designed to align accurately with the portafilter body during installation. One-Piece CNC Aluminum Construction: Machined from a single block of aluminum alloy to ensure structural integrity and consistent form. Minimalist, Integrated Design: Clean metal lines and refined finish complement Breville machines for a cohesive espresso setup.
The catalog often lists the same model at several merchants — worth a price check before you buy.
| Material | CNC aluminum |
| Color | Silver, Black |
| Pattern | Solid |
| Compatibility | Breville 840, 870, 875, 876, 878, 880 portafilters |
| Ring geometry | Wide mouth, raised open profile |
| Locking mechanism | Rotary twist lock interface |



