Bianco Brothers BB19 Blue Nipper Double Spring Half Jaw By far our best selling nipper. This 4" tissue nipper is made from the highest quality surgical stainless steel and hand honed to the sharpest edge possible. The BB Blue is guaranteed to outperform the competition. Constructed with a longer thinner box lock design enabling it to maintain an edge longer. Double spring. BB Blue SS #19 = Half Jaw, Double Spring Made in the U.S.A.