Titanium coating is 3X harder than steel for longer life. Full-length steel blade extends through shear for maximum strength. Heavy duty premium grade stainless steel blades for extra durability and strength. Spring-loaded blades for reduced fatigue on repeated cuts. Serrated blade grips materials securely for more even cutting. Quick release, die-cast metal lock. Cuts paper, cardboard, heavy fabric, rope, leather, plastics, and more.