Hand glass grinder

Hand glass grinder Manufacturing Object type Tools Skill used Manufacturing tools Time 5 day(s) Materials 130 grams of iron 150 grams of steel 300 grams of stone Tools none Rot and repair Rot 5 points per day 26 points per day of use Repair 280 points per hour Holdable object General properties Weight 580 grams Visible yes

Used for making the telescope mirror, lens, diamond, emerald, ruby, sapphire, or precision glass lens.
In the future it may also be used for making advanced jewelry.