Seller: skyrider5 (664) 100%, Location: Stockport, Cheshire, Ships to: GB, Item: 264014786162 Genuine trade use..... Porpoise Jaw Brand Oil for Chronometer, Large Clock ,Grandmother, Grandfather clock, Turret & Tower Clock lubrication. Decanted into 1x 10 ml Dispensing dropper tipped bottle. Full High Quality & Highly Refined 100% Blended Mineral Oil with anti rust inhibitors. Vapour Pressure < 0.1k Pa Relative Pressure @15c = 0.84 Pour point -9c Viscosity @ +40c = 4.8 cSt This oil is in use on many church clock faces around the world and a favourite choice amongst Horologists! Please see my other listings for different sizes and other application oils.FREE POSTAGE within the UK.