Mercedes-CDi-Injector-Stud-Repair-Kit-Sealey-VS640-Threaded-insert-repair-kit-for-Mercedes-CDi-engine-Injector-clamping-bolt-Enables-reaming-of-the-broken-M6-injector-clamp-bolt-and-replacing-M6-thread-in-the-cylinder-head-Enables-the-repair-with-minimal-dismantling-Contents-M8-x-1mm-Tap-7mm-8mm-Stepped-Drill-6mm-Drill-Drill-Guide-Thread-Insert-Fitting-Tool-M8-x-1mm-Threaded-Inserts-x5-inner-thread-M6-outer-thread-M8-Thread-inserts-are-available-separately-in-packs-of-five-Seal