Features: Compatible with bolts and nuts with opposite sides of 17, 19, and 21 mm.By using an offset adapter, you can use an electric screwdriver to quickly turn bolts and nuts in tight spaces.The output section is compatible with 19mm hexagonal tool faces, while the input section is compatible with two types of tool tips: 19mm hexagonal tool faces sockets and 6.35mm hexagonal tool bits.
Applications: For turning bolts and nuts in tight spaces.For turning fully threaded nuts.
