Popular comparisons
| Material | Stainless steel |
| Diameter | 1 mm |
| Compatibility | La Pavoni Millennium home lever machines (pre-Millennium versions) |
| Color | Silver |
| Pattern | Solid |
1 mm diameter, stainless steel. Some version 'Millennium' edition portafilters were not manufactured with the groove to accept this spring, so don't be surprised if you unit doesn't have a place for it. However, the 'pre-Millennium' did, very rarely come with the groove for a spring.
