Suitable for oils/water and non corrosive liquids including Brake Fluid. Not suitable for petrol. Simple action: pull out the pump to fill the syringe from bottle, push pump in to discharge into destination container. 2 oil resistant tubes: 13 x 370mm & 15 x 150mm. 1L pot. For use on cars, motorcycles, lawn mowers, topping up gear boxes differentials etc. Not suitable for petrol.