5 / 16 ", 3 / 8 ", 7 / 16 ", 1 / 2 ", 9 / 16 ", 5 / 8 ", 11 / 16 ", 3 / 4 ", 13 / 16 ", 7 / 8 ", 1 / 2 ' ', 1 / 2 ' ' to 3 / 8 " adapter & 1 / 4 ' ' to 3 / 8 " adapter, Each adapter is 12-point, which allows for fine indexing, saving woring time and acesses high enficient You will receive a 3 / 8inch drive set of 10 torques adapters with a box for easy transportation, safe storage, and quick organization; Each compartment and its corresponding parts permanently with dimension for easy identification The length of the adapter from the square drive center to the center of the adapter opening is 2inches These extension rod provide additional extension and the ability to access fasteners in hard to reach space Our 12 point torques adapter tool is crafted from steel and have undergone surfaces polishing to enhances resistance The 12 o ' clock box end torques adapter extension set is suitable for various automotive applications Whether working in a crowded engine compartment, handling suspension components, or attempting to loosen or corrode fasteners, these adapters can provide solution, Manufacturer: BULAIDAI