Gear boxes are a vital and heavily used component of a manual vehicle. Gear oil helps to protect the gears and ensure the long life of you gearbox. You should replace the gear oil at the regular intervals which are set by the manufacture and Comma has created a range of products simply for this. Comma Oil and Chemicals was founded on a real passion for performance in 1965 as a UK-based, independent oil 'blender'. Quickly establishing their products as being the first-choice supplier of engine oils to independent workshop mechanics in the UK, Comma has recently grown to distribute to more than 40 other countries around the world.