Bianco Brothers BB T46 Nipper Single Spring Full Jaw 18 Made from cobalt stainless steel this 4 1/2" nipper is able to handle chemical sterilization better, and is longer lasting than the conventional nipper. Designed by Bianco Brothers with larger handles for easier use and better comfort. It's reputation for longevity and durability makes it a favorite among manicurists. Jumbo jaw. T-46 Single Spring BB T-46 #18 = Full Jaw Made in the U.S.A.