The adjustable lock-nut grinder wrench is made of high-quality hard carbon steel, with strong toughness, wear resistance, and high hardness. The handle is wrapped in rubber for a comfortable grip. It has good heat dissipation performance, which is beneficial for extending its service life. The adjustable wrench is used together with the lock nut on the Angle grinder. Adjust the proper width of the grinding wrench to fit the grinding nut. Use the adjustable angle grinding wrench to tighten the new external lock nut. Then your Angle grinder can work normally. Save your time and make it easy to use. The adjustable lock nut grinding wrench has an adjustable range of 0.4 to 1.57 inches, making it a very convenient tool.