Looser

You are not a loser if you cant loosen a nut. But you could use one :) Simple tool for tightening or loosening nuts and bolts that can replace 6 most common wrenches.Cube includes following sizes:6mm8mm10mm12mm13mm15mm Recommended print settings:Layer height: 0.12-0.16mmPerimeters: 5+Infill: 30%+Infill pattern: cubic If you are not sure about tolerances print the 10mm tolerances test piece first and then adjust x/y hole compensation if necessary.