Hardening

Make a spell card:
NameHardening
SchoolTransmutation
LevelArtifice 7, Artificer 6, Sor/Wiz 6
ComponentsV, S
Casting Time1 standard action
Recharge TimeGeneral
RangeTouch
TargetOne item of a volume no greater than 10 cu. ft./level (see text)
DurationPermanent
Saving ThrowNone
Spell ResistanceYes (object)