Bon 62-588 6-Inch by 4-1/2-Inch Bronze Hand Concrete Groover, 1/2-Inch Bit Depth by 3/8-Inch Bit Width,Bon Tool,62-588" /> 6-Inch length 4-1/2-Inch width 1/2-Inch bit depth 3/8-Inch bit width Comfort grip handle