For Loosening
* Use a standard wrench to loosen the fastener
* Choose a suitable adapter(1/4" or 3/8") and fit it on end of the extension bar
* Connect a 3/8" ratchet wrench and fit it on the other end of the extension bar for removing the fastener(as the image on right)

For Tightening
* Choose a suitable adapter(1/4" or 3/8") and fit it on one end of the extension bar
* Connect a 3/8" ratchet wrench and fit it on the other end of the extension bar for tightening the fastener
* Use a standard wrench to tighten the fastener with adequate torque