Popular comparisons
| Material | Steel with brass threads |
| Thread Size | 1/8 inch |
| Threading | I3691 |
| Color | Silver |
| Pattern | Solid |
| Compatible Models | Ascaso steel espresso machines |
Only found in the Steel models. 1/8" thread, brass. Threads in to the body and the I3691 threads on to this. Ascaso part #: I.2227.
The catalog often lists the same model at several merchants — worth a price check before you buy.