Somewhere in the deep recesses of Ollivander's now subservient mind, a voice murmured, urging him to resist, assuring him he could overcome the Dark Lord's Will. But as much as he tried, he couldn't. Voldemort's Will was just too strong.
After about twenty minutes, Ollivander drew down a box from a far corner and held it open for the Dark Lord.
"14 1/2 inches, made of yew, with a raven feather core."