The Stahlwille Fast Ratch is designed with the aerospace tech in mind. Applications targeted are AN fittings and B nuts as well as hex nuts and bolts. The Fast Ratch acts as an open end ratcheting wrench. It features laser cut stainless steel, FOD free design, works on both metric and SAE fasteners, and has a lifetime warranty. It causes no damage to fasteners. For more information visit www.stahlwille.com or call (800) 695-2714.