ITEM NAME:fr Trimmer Chainsaw 25:1 50:1 1.5L 2-Stroke Oil Petrol Fuel Mixing Bottle Tank 1.5L Portable 2 Stroke Fuel Petrol Oil Mixing Bottle Container 25:1 50:1 Chainsaw Strimmer SPECIFICATIONS.(2) Easy to pour spout and separate filling points for petrol and oil. Item included: 1 x Mixing Bottle. 4) Tighten the lid, tilt the bottle, two-stroke oil into the gasoline room, mixing evenly, then you will get 25:1 mixture of 1L.