Durapac’s Safe D Lock jack with the unique Battery driven drive system (POWERDRIVE) is easily and effortlessly manoeuvred through rough terrain with just one operator. The Durapac Safe D Lock has the unique POWERDRIVE system which independently controls each wheel. Forward / Reverse, left wheel and right wheel control. The POWERDRIVE makes it effortless and makes it easy and safe for an operator when manoeuvring under a truck for front wheel lifting applications.