Genuine trade use.....

"Porpoise Jaw" Brand Oil for Chronometer and fine Watch lubrication, also ideal for small clocks. 

Decanted into 1x 5ml easy dispensing dropper tipped bottle.

Full High Quality Highly refined 100% Blended Mineral Oil 

Vapour Pressure < 0.1k Pa

Pour point -9c

Viscosity @ +40c = 38cSt

Relative Density @+15c = 0.85

Free postage