Kraft 6" x 3" 1/2"D 1/2"W Universal Walking GrooverPopular among concrete finishers! The large 6"x3" groover features turned up edges to move across the concrete surface for clean grooves. The groover is formed from a single piece of stainless steel rivet free to provide a completely smooth clean groove. The groove created is with a 1 2" wide bit, 1 2" deep bit. The stainless steel blade is connected to a top plate providing additional weight to move through the concrete for a smooth clean groove. A