[Features]● Supports bolts and nuts with opposite sides of 17, 19, and 21 mm. ●You can quickly turn bolts and nuts in narrow spaces with an electric screwdriver using an offset adapter. ●The output part supports hexagon width across flats 19mm, and the input part supports 2 types of tip tools: a hexagon width across flats 19mm socket and a hexagon shaft bit with 6.35mm width across flats.
[Use] ● For turning bolts and nuts in narrow spaces. ●For turning nuts on all screws.