Features: *Brand new unused *When used, it is gouge, for impact and hammer, not rotation. If it is electric hammer mode, it will rotate. You need to select tools with for impact or hammer mode * need to pay attention to strength and skills, because of the power of the pick, don't hit the pick or the center of gravity will crush the power tool.On. Hold the tool and maintain a force perpendicular to the working *Continuous work-- about hours, after high temperature, it is recommended to change a set of alternate use. *There are Square,Hex，round 3 different specifications to choose to meet the use of your different power tools Specifications: Type:Power tools Converter Adapter Material:Metal Color:gray（as picture） Size:A，B，C(optional)（as picture） Model:Square,Hex，round（as picture） Quantity:1pc Scope of application: concrete, red brick wall, foam brick drilling Package Included: 1*Power tools Converter Adapter(optional) Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. 【Water Drill Extension Rod】This converter adapter is designed for electric hammers and features a water drill extension rod. It allows for gouging, for impact, and hammering functions, but not rotation. It is important to select tools with the appropriate for impact or hammer mode to match the task at hand. Care must be taken to apply the right strength and technique, as excessive force can damage the power tool. Holding the tool perpendicular to the working ensures optimal performance. 【】With square, hex, and round specifications available, this converter adapter is compatible with various power tools. It offers flexibility and convenience for different drilling applications in concrete, red brick walls, and foam bricks. 【 for Durable and Reliable】Made from metal, this converter adapter ensures durability and long-term performance. It can withstand high temperatures and continuous use for about hours. It is recommended to alternate between sets to prevent overheating. 【Easy to Use】This converter adapter is and compatible with different power tools. It provides a seamless connection between the electric hammer and the drill, allowing for efficient and effective drilling.