17mm 1/2in.Dr Fuel Injection Line Socket - 120mm long Open 12 point socket for screwed in Injection Lines found on Diesel Common Rail Injection Systems For Mercedes 100 .130 . 314 . 360 . 360H . 352A . 346/355 . 401 . 402 . 403 . 407H . 615 . 616 . 617