Eaton E-LockerAvailable to the public in mid-2002, the Eaton E-Locker provides full axle lock at the push of a button. It's an electronically controlled unit that's compatible with other electronic ...

There are lockers and knockers, limited slips and Sure Grips. Sometimes they're called Positractions and sometimes much worse. But this name game is really about the concept of pushing equal measures ...