Wera 9661 Magnetic rail B Impaktor Deep Imperial 1 socket set, 3/8" drive, 9pc - 05005591001Key Features 9 piece socket set on socket rail, 3 8" Imperial sizes Magnetic rail with secure socket mounting and yet easy removal (twist to unlock) for temporary attachment on wall, shelf or workshop trolley Robust Impaktor sockets for extremely high stress; for use with electric or pneumatic wrenches with 3 8" drive Long sockets for low lying couplings, also suitable for fitting, protruding thread rods in confined spaces Product Description Socket