Proto® 3/8" Drive Crowfoot Wrench 3/4" Flare Nut

Designed for speed and safety. Special heat-treated alloy steel helps increase strength and durability. 12 point box end allows for fine indexing, helping to improve speed and access. Fits 4, 6 and 12 point fasteners. Full polish finish provides corrosion resistance and easy to clean surfaces. Locking hole helps hold crowfoot in place during use. Use with a locking extension to help prevent tool loss in awkward locations.