3-in-1 & 4-in-1 Impact SocketS Multiple sizes on one tool for hands-free hardware removal and installation Easily switch between sizes without removing your gloves. The newest model (Cat. No. NRHD4) features two spring-loaded sockets in one tool. Each tool includes multiple square socket sizes plus a 7/16" hex quick-change adapter. • Hands-free adjustment between socket sizes • Two coaxial spring loaded sockets (Cat. No. NRHD4) in one tool.
