3D printed Bulkhead Wrench Made Using BRS Standard Bulkheads. These wrenches are designed for tightening only. They will start to slip over the bulkhead once enough pressure is made, preventing you from breaking the glass of your tank during installation.
* Do not buy these to remove bulkheads as they are not designed for that purpose.
3/4", 1", 1.5"
Color: Black PLA