Lingual Arch Forming Pliers Product Details: Lingual Arch Forming Pliers or Wire Bending Pliers Lingual Arch Forming plier makes consistent and repeatable bends. It forms double back and triple back bends in .030” and .036” wire for use with lingual, sheaths. Jaws of the plier have four grooves placed and sized. Handcrafted by the finest grade surgical stainless steel. Corrosion resistance and completely sterilisable.