Gingher Designer Series Bianca No. 8 Dressmakers Shears These Designer's Series Shears have been decorated with the Print Bianca. The proprietary ornamentation process used in producing these shears give every pair a quique design, making each an original. Teh Bianca Shears have been produced as a Limited Edition. Knife Edge Dressmaker's shears are used for cutting multiple layers of fabric in home sewing and crafts.