Kraft Tool CF314PF Bronze Groover 6"x4"x1" Deep BitKraft Tool CF314PF Bronze Hand Groover 6" x 4" x 1" Deep Bit 100% Bronze Groover. A unique longest wearing one piece casting won't wear out with extended use in concrete like steel groovers. Each blade is hand polished for a smooth professional finish every time. This 6" x 4 1 2" groover features a deep bit that has a 1 4" radius and is 1" Deep, 1 2" Wide. The comfortable ProForm soft grip handle is secured to the casting. The signature orange and