Wide Capacity Jaw Allows Each Tool To Work With More Fastener Sizes; Wider Handle Provides More Comfort And Less Stress To The Hand; Chrome Plating For Superior Resistance To Rust And Corrosion; Increased Knurl Diameter For Easier Adjustment And Increased Load On Fastener To Reduce Slip-Off; Laser Etched Scale Provides A Quick And Convenient Way To Determine Fastener Size In Either SAE Or Metric; Fully Polished Face.