4079-3A

Adult Watchmaker Tool - 4079-3A Presto Hand Remover Cannon Pinion Swiss

3.6 from 2 notes

Lifting jaws and a central steadying pin close together under finger pressure to draw cannon pinions and tight hands straight up.

$109.00

Prices are as the listing last showed them.

Reference	4079-3A
Reference line	4079
Drawer	Hands & Movement Work
What it is	A tool in its own right
Bench job	Fitting hands

We make the 4079-3A for lifting stubborn cannon pinions and tight hands straight off their arbors. The side springs compress between thumb and forefinger, driving the ground jaws inward while the center runner rests flat against the post. The motion stays vertical.

Jaw profile

The opposing steel jaws are shaped thin at the leading edge to wedge beneath the pinion shoulder. Squeezing the side springs draws both tips inward simultaneously, distributing the lifting force across opposite sides of the component.

Center runner

A spring-loaded central plunger meets the top of the arbor as the tool settles into position. It provides a fixed axis so the upward pull acts straight along the post rather than canting to one side.

Spring action

The arched side bows give immediate resistance against the fingers. You feel the jaws seat, and the return spring opens the mechanism fully once hand pressure eases off the textured grips.

Bench storage

Store the tool in a dry rack or divided drawer where the fine jaw edges cannot strike heavier steel. Keep the sliding surfaces free of debris with a dry brush during daily movement work.