Rauckman Utility 2 in 1 Impact Socket BW-26612 in 1 Impact Socket BW 2661 from Rauckman Utility Products is a member of BugWrench family of lineworker tools that is designed for use on Distribution Poleline hardware. This impact grade socket has 3 4 and 9 16 heads in one socket with 1 2 Drive. 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. 2 in 1 Impact Socket BW 2661 Features: 3 4 and 9