1-1/2", Flexible Putty Knife, No Matter How You Hold It, The Grip Is Ergonomically Engineered To Decrease Fatigue While Increasing Leverage, Control & Productivity, Full Tang Blade Runs The Entire Length Of The Handle & Is Perforated At Five Critical L Points, It's Then Molded Into The Handle, Eliminating Ordinary Rivets & Creating A Human Friendly Tool That's Also Virtually Indestructible.