High Performance: Angle grinder control board can provide powerful noise control and efficient operation, making your polishing work easier and faster Easy To Use: Angle grinder control board has a simple and intuitive operation interface, which can be easily mastered without deep technical knowledge, suitable for all types of users Wide Applicability: Angle grinder control board can adapt to various brands and models of grinders and polishers, providing strong power for your equipment and making your work more worry free Premium Material: Angle grinder control board made of quality plastic material, not easy to break and can be used for a long time Product Size: Angle grinder control board 6.2 cmx5.2 cmx0.95 cm/2.44 inchx2.05 inchx0.37 inch, small size, easy to carry Specification: Voltage: 21V Material: Plastic Product Size: 6.2cmx5.2cmx0.95cm/2.44inchx2.05inchx0.37inch Package Includes: 1 Angle Grinder Control Board Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.