We are distributors of engine-oil vacuum pumps for sucking hot engine oil from the oil dip-stick hole. (No need for spanners and oil pans.) Simply push the probe through the oil dip-stick hole to the bottom of the sump and pump out the used oil manually or by compress air. The 7 litre model (short round design) = S$108.The 17 litre model (largest) = $284.Pse call Mr Ong, 016-7263179 or 98816582. Pse self-collect at our factory at Blk 2021 #04-198 Bukit Batok Street 23, Singapore (659526).Or email to email@example.com for more info.