6 X 3 (15,24cm X 7,62cm) Concrete Groover-SS-1/2 X 1/2 (1,27cm X 1,27cm) Groove Blade made of stainless steel Has a sturdy steel mounting Properly shaped bit and leading edge cuts a sharp groove Smooth comfortable handle Cuts 1/2" X 1/2" groove Made in the U.S.A.