Titanium coated blades provide corrosion resistance and are 3X harder than steel for durability and tool life Full metal core extends through the handle for maximum strength and increased durability Control channel accommodates index finger for increased control and cutting stability Touch point ergonomics optimize hand and finger contact points in handles to maximize fit, control, and user ergonomics Heavy-duty blades feature premium grade stainless steel and are precision engineered for knife-like cutting edges Serrated bottom blade grips material as it is being cut for increased cutting control and cleaner cuts