The Proto J3822 Ratcheting Flare Nut Wrench is designed to fit 11/16″ nuts and bolts. This SAE wrench has a straight, black oxide finish. It also features 12-point heads for extra grip. With an overall length of 7 1/4 in., this wrench fits standard tool tethering equipment. The Proto J3822 Flare Nut Wrench is the perfect addition to your tool kit when you need reliable performance time after time.