Features: brand new and high quality Material: Excellent plastic material, lightweight and convenient. Application design: with electronic device for variable speed control, momentary contact lock on power tool switch type. Function: Optional internal displacement module, optional locking type. Integrated speed control knob, plastic for shell trigger switch. Easy to use: This trigger switch is easy to install on the electric hand drill, and it can be operated easily with the push of a button. Scope of application: GSB13RE impact drill. Specifications: Material:Plastic Color : Red+Black Size: Approx. 62.2X58X17.9X19X37.4mm/2.44X2.28X0.70X0.74X1.47inch Note: 1.Please allow 1-2mm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1XPower Switch