Black handle. 7¼ inch length for maximum leverage and cutting strength. Stainless steel safety bandage tip. Razor sharp, super-hardened surgical stainless steel blades with one serrated edge to cut through the toughest materials. Blades tempered to a Rockwell hardness of C56 for unsurpassed durability. Contoured polypropylene handles with large ring provide maximum control and comfort. Extra large rivet with a rated strength of 88kg assures smooth cutting action and rugged durability.