From The Anvil 92337 3-IN-ONE OIL 200ml Flexican

We recommend periodically oiling any moving parts on all products to ensure they perform to their full capacity, especially when fitting externally.\nWe would also strongly advise that this is carried out upon initial installation.\nWiping over the surface of your products from time to time with an oily cloth will also remove any harmful deposits that build up on the surface, and will aid protection from environmental factors.\nA multi-purpose drip oil which lubricates and cleans, whilst also helping to prevent rust.