Features: This powerful brushless grinder controller board delivers a robust 60A high current drive, ensuring stable and efficient operate for your angles grinder even under heavy workloads. Constructed with durability ABS and metal materials and featuring a compact 6x5x0.9cm design, it provides durability and easy integration into space limited power tool setups. Ideal for enthusiasts and professional technicians seeking reliability and versatile power tool accessories for their projects. Engineered reliably in diverse environment, this control board enhances functionality for grinding tasks in workshops or outdoor setting. With straightforward connection, it simplifies installation and is compatible for multiple 21V brushless motors, offering seamless upgrades for your tool systems. Specifications: Component: metal, plastic Size:Approx.6x5cm/2.36x1.57inch Power: 60A 21V Option Type:Single Capacitor,Double Capacitor, Package Includes: 1pc 21V 60A angles Grinder Controller note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.