Double drive sockets: classic drive by square 1/4" with a ratchet or classic 1/4" accessories. The 11mm hexagon drive from the outside of the socket with the ultra-compact 180° flexible head ratchet (R.180HX). Ratchet / socket assembly 2 times more compact than a traditional ratchet / socket mount. Ideal for those hard to reach places The hexagon also allows direct drive through the fork or eye of a combination wrench. Presentation: satin chrome. D: 11mm D1: 8.2mm L1: 7mm