Speed Controller: This product is a speed controller for hand drill, polishing machines, angle grinder, and fans. It offers seamless speed adjustment for optimal control. Material: Made from sturdy PP material, thismotor speed controller is designed to withstand regular use while maintaining its functionality. Product Dimensions: With dimensions of 12cmx6.5cmx5.5cm, this compact size makes it easy to install and use without taking up too much space. Adjustable Speed Switch: Comes with an adjustable speed switch that allows you to control the speed of your devices effortlessly according to your needs. Package Includes: Each package comes with 1 piece of the 220V-240V Angle Grinder Speed Controller, ensuring you have everything you need to get started. Specification: Material: PP Size Chart: 12cmx6.5cmx5.5cm/4.72inchx2.56inchx2.17inch Package Includes: 1xMotor Speed Controller Note: Please allow slightly errors 1-2cm differences due to manual measurement.