PFSRD:Scabbard Of Vigor
From D&D Wiki
|This material is published under the OGL|
Price 1,800 gp; Aura faint transmutation; CL 5th; Weight 3 lbs.
Once per day, as part of the action of drawing forth the weapon held by a scabbard of vigor, the wearer can order it to endow the weapon with an enhancement bonus on attack and damage rolls. The duration of the effect depends on the desired enhancement bonus for the weapon.
Cost 900 gp