Just ordered this as a replacement for same B & D Edger I have now - not sure how long I've had the first one but 10+ years wouldn't be stretching it.  The first one still works and used it this weekend.  The shaft holding the blade has a major wobble in it and has power spurts now and then so short of burning it up time to bury it.  All the yard powered tools in my garage are B & D sans the lawnmower and I've yet to  have a problem with any of them and my current edger is the first of my collection to get close to be worn out.