My little DeWalt electric chainsaw is very handy but sometimes I could do with a slightly longer bar. I had a large log to saw up this afternoon, which has been used ornamentally in the garden for a couple of years and I had to keep rotating it to get all the way through… and it is very hard to keep everything lined up on a large, uneven log. I reckon a 15″ bar would have made it easy. On the other hand, the 12″ bar I’ve got is fine for most of what I work with and I did get through it eventually. Job done!