The Gardner Bender Locknut Wrench Kit includes two pieces with sizes of 1/2 inch and 3/4 inch. Made by the reputable brand Gardner Bender, this kit is designed specifically for working with locknuts. The model, LNW-KIT, ensures that the tools are reliable and meet the standards for quality. These versatile tools are perfect for various home and workshop projects, providing a convenient and efficient solution for working with nuts and bolts.