Omega Loop Forming Pliers Omega Loop Forming Pliers 678-303 Graduated cones .045", .060", and .075" (1.14 mm, 1.52 mm, and 1.91 mm) are designed to form precise omega loops on 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.