Feature:1. Multiple Usages: This electric hammer drill bit is suitable for chiseling and finishing stone slabs, bridges, walls, concrete, cement roads, etc.2. Square Head: Square bushing head design, with large contact area, stable and accurate in operation.3. 40Cr Steel: Made of excellent 40Cr steel material, with good toughness, not easy to wear or deform after long term use.4. Standard Size: The electric flower hammer drill bit has a standard shank diameter and is stable in installation.5. High Efficiency: Use the bushing bit to polish and trim the concrete, with superior performance and high efficiency, and labor saving.Specification:Item Type: Electric Flower Hammer Drill BitMaterial: 40Cr SteelTotal Length: Approx. 152mm / 6inHandle Diameter: Approx. 10mm / 0.4inPurpose: Concrete polishing and smoothing.Package List:1 x Electric Flower Hammer Drill Bit