Feature: 1. EASY OPERATION: This foot switch allows hands free operation when using various machines, press and hold the pedal to use the machine and release to stop. 2. NC SILVER CONTACT: The pneumatic foot switch adopts silver contacts to ensure good conductivity, and the normally closed type contact is stable and reliable. 3. PRESSURE SPRING: The thickened pressure spring inside the switch ensures convenient and labor saving operation, greatly extending the service life of the switch. 4. NON SLIP DESIGN: This pneumatic pedal switch has non slip appearance, convenient for foot control, and does not slip during stepping, ensuring safe operation. 5. APPLICATIONS: This foot switch is suitable for wood carving machine, sewing machine, textile tool, router, sanding machine, drilling machine, roller saw, meat grinder, and any home appliances. Specification: Item Type: Pneumatic Foot Switch Model: FS-502 Rated Insulation Voltage UI: 380V 5A Maximum Rated Voltage: DC220V 5A Contact Type: Normally Closed Application: The foot control switch allows hands free operation when using various machines, such as woodworking tool, woodcarving machine, sewing machine, textile tool, router, sanding machine, drilling machine, roller saw, meat grinder, and any home appliances. Package List: 1 x Pneumatic Foot Switch 1 x Waterproof Connector Note: No variable speed control, but compatible with variable speed devices.