Shockwave Socket Adapter, 1/4 In. Hex to 1/2 In. Square

Milwaukee® SHOCKWAVE™ 1/4" Hex to 1/2" Square Socket Adapter. It is used to convert a 1/4" hex drive tool into a 1/2" square drive tool. It is made of chrome vanadium steel for durability and has a black oxide finish for corrosion resistance.