• Tien-I is the leading one of Taiwan manufacturers and suppliers to full range of Impact sockets.
  • The supplier and manufacturer for 1-1/2 inch drive impact socket, 2-1/2 inch drive impact socket, 3-1/2 inch drive impact socket.
  • Impact socket forged by CHROME MOLYBDENUM STEEL (CR-MO) and heat treated with heat treatment furnace box.  
  • Impact socket with a corrosion-resistant black phosphate finish (MANGANIC PHOSPHATE FINISH).
  • All Tien-I impact socket made in Taiwan.    

If you have any question or interested in impact sockets or Tien-I manufacturing process, please contact with Tien-I team