Graves Motorsports 2 in 1 Socket is a direct fitment for the steering castle nut and front axle nut on the 2013-2021 Kawasaki ZX-6R. This drive socket is made from 7075 Aluminum and is anodized black. This tool is used by Team Graves race teams to ensure proper fitment and torque specifications This product is Manufactured in the U.S.A.