3 Piece Locknut Wrench Kit, Includes The Following Sizes: 1/2", 3/4" & 1" Locknut, Specifically Developed For Tightening & Loosening Locknuts, Thin Profile For Tight Spaces, Can Be Used To Loosen Or Tighten A Locknut By Rotating The Wrench In The Direction Of The Arrows Clearly Etched Into Both Ends, Sturdy Steel Construction, Specialty Hooked Tip Latches Onto The Locknut & Maximizes Turning Leverage.