This 4" Premium Flex Putty Knife from Purdy Joint Knives is perfect for any prep work you might have. Constructed with the highest quality raw materials, this putty knife features a carbon steel blade, a nail set hammerhead, and a non-slip handle for extra comfort. The flexible blade helps you get into tight spaces for the most precise work, and the handle ensures you have a firm grip on the knife. With this putty knife, you can make quick and easy work of any and all prep work.