Based on the Big Three, this series has T.C. blades welded onto the scissor blade frame. T.C. is 7x harder than stainless steel and holds an edge longer. These can handle all types of tying materials, but were created to tackle modern synthetic materials.Black LoopsNon-Serrated BladeAvailable in Straight Blade Only4″WARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov