The Geekey open spoke wrench can also perform as a wire bender.  The open profile can fit a wire 3.23mm in diameter or smaller.  If you can fit the wire in the opening, chances are you will be successful in achieving the desired tight bend.

Geekey_Wire Bender_Web_2000.png
IMG_1902_1029 x 684.jpg
IMG_1909_1029 x 684.jpg