Crescent Wiss® Heavy-Duty Tradesman Shears. 4" Blade. Premium steel blades with titanium coating that is three times harder than steel for extra durability and longer edge life. A serrated bottom blade grips material for better control and cleaner cuts, while spring-loaded design and optimized handle contact points improve comfort and reduce fatigue. A quick-release ergonomic latch that locks the tool closed for storage and soft-grip TPR handles are added safety and comfort features.