Rebound Hammer is a device for measuring elastic properties/strength of concrete/rock and helps in testing mainly surface hardness and penetration resistance properties. Specification: · Usage: Concrete Rebound Hammer · Testing instrument: Concrete Rebound Hammer · Color : CustomizedFeatures: · Portable and flexible· Simple and convenient to use· Adjustable friction of pointer· Particularly used on the site to carry out non-destructive NDT test