Outlasts All Others, Hot Drop Forged Molybdenum Alloy Steel Blades Are Virtually Unbreakable With Long Lasting Edge Life, Unbreakable Double Overwind Spring Is Guaranteed Forever, Heavy Gauge Steel Handles Maximize Force Into Cutting Power At Blades, Soft & Durable Copolymer Grips Won't Twist Or Wear Through, Ergonomically Optimum 5.5", 140mm Handle Opening, Full Length To Point Cuts Up To 18 Gauge CRSM Or 22 Gauge SSSM With Less Than 80 LBS, 36 KG Of Hand Pressure, Blade Serrations Per Inch 2.54CM Grip Without Slip Or Scar, Grade 8 Hardened Center Pivot Bolt Threaded Into Back Blade Maintains Adjustment For Optimum Cutting.