( mini speargun can be crafted with the following recipes

Autolearned
Player Recipe
Primary skill used: mechanics(4)
Required skills: fabrication(2)
Time to complete: 45 minutes
Tools required:
> 1 tool with metal sawing quality of 1
> 1 tool with screw driving quality of 1
Components required:
> 1x plank OR 1x heavy stick
> 2x rubber hose
> 3x scrap metal
Byproducts:
(none)