This rounded version slips on to a small rectangular protrusion that comes off of the portafilter body (other versions come with a long square shaft the runs the entire length of the handle), and is held in place by a Allen head screw. There is a half-moon removable insert at the user end of the handle to access the fixing screw (M6 x 12mm hex flange bolt - not included).Used in some Nuova Baby, Espresso/Dandy and Coffee models, depending on the year of manufacture.
Attention CA Residents: Prop 65 Warning
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.