Milwaukee 1/2" SQ to 7/16" Hex Adaptor adapts a 1/2" square drive to a 7/16" hex drive quick change adapter, providing a versatile solution for your tool needs. Crafted from proprietary steel and heat treated for enhanced durability, this adaptor ensures long-lasting performance and reliability in demanding applications. Its robust construction makes it an essential addition for professionals seeking efficient and durable tool accessories. Model Number: 48-66-0061