Labor-saving design cuts straight, left and right, with one toolChrome-molybdenum steel forged blades for greater strength and durabilitySerrated edges provide a stable hold when cuttingThese compound action aviation snips can cut steel up to 18-gauge for rolled steel or 23-gauge stainless steel. The blades are designed with serrated edges for a secure bite on the material being cut. The blades are constructed from chrome molybdenum steel.