Heavy Wrench

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Heavy Wrench

A large and heavy titanium wrench. Can only be properly swung by very burly mechanics.
 Stun (1)*
Quality Bonuses +10% Repair Speed
Range 1 m
Attack Speed 0.91
Structure damage 9
Item Damage 9
Skill Requirements
Skill Requirements
Handicap Attack Speed 0.67
Stun (0.3)* to self
Talent: I Am That Guy
Skill: Mechanical: 20
Deconstructor Yield
OutpostOutpost Sell
Habitation OutpostHabitation 57 mk
ColonyColony 57 mk
Research OutpostResearch 71 mk
Military OutpostMilitary 71 mk
Mining OutpostMining 57 mk
Medical MerchantMedical Merchant 57 mk
Engineer MerchantEngineer Merchant 51 mk
Armory MerchantArmory Merchant 57 mk
Children of The HonkmotherClown Merchant 57 mk
The Church of HuskHusk Merchant 57 mk
Identifier heavywrench
Categories Equipment
Tags smallitem, tool, simpletool, mechanicalrepairtool, wrenchitem, mountableweapon

The Heavy Wrench is a Tool in Barotrauma.


The Heavy Wrench is a two-handed tool which can be used as a Melee Weapon. It is an upgrade over the regular Wrench, as it repairs 40% faster and inflicts over 6 times more Blunt Force Trauma and 1 Stun, although its attack speed is slightly worse. Its greatly increased damage combined with the Multifunctional and other Mechanic melee damage talents makes it one of the strongest melee weapons, able to comfortably fend off Crawlers, Mudraptors, or other small Creatures. Its other purpose is performing mechanical repairs on installations which are in need of them. It is also used to detach certain devices from walls, such as Wiring Components, or Buttons.

It can be crafted by a Mechanic with the I Am That Guy talent unlocked; It cannot be bought.


The Heavy Wrench is held with both hands. As with all weapons and tools, using it is done by holding the Right Mouse Right-click to take aim, then by Left Mouse Left-clicking to shoot/use.

  • It can be used to repair mechanical installations by pressing the "Use" keybind (E by default) on an installation to open the repair GUI and starting the repairs.
    • Attempting a repair while not having the required Mechanical Engineering skill takes a lot longer and presents a risk of failure, which interrupts the repair and inflicts Lacerations and Stun.
  • It can also be used to detach items from the wall by pressing the "Use" keybind (E by default) on an item to start detaching it.
  • If the player does not have the adequate Mechanical Skill, they will suffer an Attack Speed penalty and will inflict a short Stun to themselves on every swing.
  • The Heavy Wrench gains 10% Repair Speed per quality level. (10% / 20% / 30%)

Damage Values

Item Afflictions Attack Speed Armor Penetration

Hardened Wrench
 Stun (0.3)*
1 25%

Heavy Wrench
 Stun (1)*
0.91 0%

 Stun (0.2)*
1 0%

Related Talents

Talent Tree Description

I Am That Guy
ID: iamthatguy
Spec. 1
Inflict 20% more Blunt Force Trauma damage with melee weapons. Gain a bonus of 20 to Bonus Weapons Skill.

Unlock Recipe: Heavy Wrench.

ID: multifunctional
Tier 1
Deal 50% more damage with Wrenches and Crowbars.

See Also


Submarine Weapons


Large Turrets



Handheld Weapons

Ranged Weapons

Melee Weapons


Ammunition & Explosives