From Ø 2.4 up to Ø 5 mm blind rivet made of alu, copper and steel, and up to Ø 4 mm for stainless steel.
Trigger the extraction process on the riveting tool and keep the actuator pressed. Then push the adjusting ring backwards as far as it will go (1).
Set the hole for the desired mandrel diameter by turning the rotary star. Release the actuator of the riveting tool: the rotary star is automatically locked by the advancing gripping mechanism (2).