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.<br><br>Item Type: Electric Flower Hammer Drill Bit Purpose: Concrete polishing and smoothing Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. Colour:As Shown Material:Metal<br><br>Package Contents: 1 x Electric Flower Hammer Drill Bit<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.