This Kraft Tool CF304 Concrete Groover is the perfect tool for creating decorative grooves in concrete. The bronze blade and handle ensure durability and longevity. It has a 4 1/2" width, which means it can be used to create large grooves in your concrete projects. The 3/8 radius ensures that the grooves are deep enough for a 7/8" groove width. A one piece casting makes this product easy to use. The Kraft Tool CF304 Concrete Groover is the versatile tool you need for creating decorative patterns on your next project.