damaged

hello, just wondering if anyone knows what this piece is for? Thanks

Just opened a new 28" husqvarna bar, and noticed the split in the end of the bar. Haven't had a bar this long before, but doesn't look normal. Emailed dealer with pics, and he said he opened all his bars that size, and they all had that, and wasn't sure why, but would email husky. Legit, or a...