Spud Wrench
Wrenches is for square, hex, or octagonal shapes where toothed pipe wrenches are not a good option.
Ridgid - 12in Spud Wrench, (3/8in - 2-5/8in Capacity)
Reed offers large capacity wrenches for geometric and delicate work. The R110HEX hex wrench works for hex-shaped fittings on meters, drains, spuds, and chrome valves without damage from teeth.