Wand of stoneskin
(Player's Handbook v.3.5, page 285)
Price (Item Level): 33,500 gp (16th)
Body Slot: — (held)
Caster Level: 7th
Aura: Moderate; (DC 18) abjuration
Activation: Standard (spell trigger)
Weight: 0.1 lb.
A wand between 6 inches to a foot long, about a quarter inch thick. Seems to be made of stone.
You cast stoneskin at a target, granting them damage reduction 10/adamantine. Once it has prevented 70 points of damage (or after 70 minutes), it is discharged.
Prerequisites: Craft Wand, Stoneskin.
Cost to Create: 16,500 gp (plus 500 gp for base item), 1320 XP, 33 days.