Reed Yoke Pipe Vise, 1/8 to 2-1/2 InYoke Pipe Vises Permit The Strongest Jaw-To-Jaw Gripping of Pipe For High-Torque Applications Like Threading. Reed Yoke Vises are Made of Ductile or Malleable Iron and Have Hardened, High Carbon Steel Jaws For Toughness and Long Life. These Yoke Vises Easily Convert From Right- to Left-Hand Operation and Back, Making it Simple to Work Around Obstructions or to Accommodate Right- or Left-Hand User Preference.