Wrench Jockey

From BioShock Wiki

Wrench Jockey is a Combat Tonic which increases damage dealt by the Wrench by 350%. It can be stacked with Wrench Jockey 2.

[edit] Game Caption

Wrench Jockey bulks up your upper body, allowing you to wield club-like weapons with unprecedented skill and power!

[edit] Location

Found in the Kure-All office of the Medical Pavilion.