When working on your brakes, this comes in handy:
http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=40732
It is the right tool for backing off the parking brake.
http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=40732
It is the right tool for backing off the parking brake.