This impact grade adapter is used to drive any 1/2″ drive socket such as Rauckman 2 in 1 Socket Cat No. BW-2661 (sold separately) that has 3/4″ and 9/16″ heads in one socket. The 12 point design of the socket fits both square and hex nuts. Its coaxial spring-loaded inner socket feature allows hands-free adjustment between sizes.
7/16 Hex 1/2 Drive Impact Adapter Features:
Designed for use with battery or hydraulic powered impact wrenches
Impact Grade for durability and a long life
For 7/16″ hex chucks driving a 1/2″ square drive sockets