Elite Series™ 6" x 4-1/2" 1/4"R 1/2"D Large Bit Bronze Groover with Cork HandleKRAFT ELITE GROOVER 6X4. 5 1 4R X 1 2D CH Quality groover cuts clean, smooth professional control joints every time. A unique tool won't wear out with extended use in concrete like steel groovers. The single piece casting insures strength and a quality surface. The blade is hand polished for a smooth professional finish every time. This tool creates a groove in wet cement to control expansion and contraction and relieve stress points. The groover