Desoldering Pump Plunger Double O-ring (remix)
thingiverse
A remix of [UHF's desoldering pump plunger](https://www.thingiverse.com/thing:3343382) but with a double O-ring. Modification [done in Thinkercad](https://www.tinkercad.com/things/drqWOdJccxv-desoldering-pump-plunger-remix/edit). The diameter of the my desoldering pump's plunger was 17.6mm so I scaled the original model proportionally and both rods fitted snugly (no heating required).
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