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 Ideal for enthusiasts and professional technicians seeking reliability and versatile power tool accessories for their projects With straightforward connection, it simplifies installation and is compatible for multiple 21V brushless motors, offering seamless upgrades for your tool systems Engineered reliably in environment, this control board enhances functionality for grinding tasks in workshops or outdoor setting 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, Manufacturer: AMISENK