1、The product is made of high quality alloy with high hardness and good wear resistance 2、It is suitable for dressing and grinding the surface of concrete to enhance the adsorptive force of ceramic tile on the wall 3、With the use of electric hammer, you can greatly improve your work efficiency 4、When the initial construction of a concrete building is just completed, there will be a large amount of residual concrete on the surface. In the construction of ceramic tiles, it is necessary to remove these uneven concrete 5、Strong alloy material, long service life Features: The product is made of high quality alloy with high hardness and good wear resistance. It is suitable for dressing and grinding the surface of concrete to enhance the adsorptive force of ceramic tile on the wall. With the use of electric hammer, you can greatly improve your work efficiency. When the initial construction of a concrete building is just completed, there will be a large amount of residual concrete on the surface. In the construction of ceramic tiles, it is necessary to remove these uneven concrete. Strong alloy material, long service life. Applications: Leveling: Concrete is polished and leveled. Hairing: stone board surface, bridge wall surface cement road surface, any concrete plane hairing. Specifications: Condition: 100% Brand New Material: Alloy Pruduct model: (Optional) approx. 155mm / 6.1in approx. 190mm / 7.5in approx. 280cm / 11.0in Package list: 1 * Hammer Head Note: 1.Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.