Top selling mineral oil two-stroke engine oil. 100ml One Shot sachets are designed to mix with 5 litre standard fuel cans to give the perfect 50:1 oil to fuel ratio required for the smooth running of a petrol disc cutter- avoiding costly mistakes and repair bills.Specially developed for STIHL engines. Excellent lubrication and combustion properties. Performance class: JASO-FB, ISO-L-EGD. Fuel/oil ratio 50:1.