* 340mm/13.4 in length extension drive bar enables easier works
   in confined spaces, such as water pump, power steering pump,
   generator, A/C compressor, transmissions and starter fasteners
* Provided with two square drive adapters in 1/4" and 3/8"
* Chain-Driven mechanism enhances working durability and smoothness
* Max torque allowed:
   161 N M / 118.7 FT LB