Rectangular Arch Bending Pliers Rectangular Arch Bending Pliers 678-308 Designed for placing first, second and third order bends on stainless steel wires up to .022" x .025" (.56 mm x .64 mm). Where to Buy x Category Dealer PartnersSales RepresentativeStrategic MarketsSchools RepresentativeAccutron™ Equipment Sales Zip Code Find RepresentativeReset Select a category, input a zip code and click on Find Representative, or explore the complete list here.