Dennis Milton, an ironworker with Local 580 in New York City who helped build the World Trade Center, practices throwing a spud wrench Saturday at the first Oneida Nation Ironworkers Festival in ...

Nine new spud wrenches feature large openings (9/16 to 2 in.) and conical rather than flat handles that taper to a point at the end. The handle lets workers align bolts, rivets, and flange holes.