Features: Built-in speed control knob, plastic-casing triggers switch. Easy to Install: Easy to assemble on the electric power tool and easy to operate by pushing the button. Lock type, NO contact, SPST type triggers button switch. Scope of Application: Used for cutting machine/electric planer/marble machine. Widely Used: This cutting machine switch is widely used in electric power tools for power controlling. brand new and high quality Specifications: Material:Plastic Color:Black Size:Approx.3.6x2.5cm/1.41x0.98inches Note: 1.Please allow 1-2cm 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: 1x Cutter Switch