Description: With proper and regular maintenance, this hydraulic jack can be used for a long time without leaking. Rotate screw up when height is not enough. Use it uprightly, not edge-on or upside down. Features: Enlarged base ensures stable and safe using. Oil return valve operation is simple, convenient and quick. Whole body casting, thickened steel plate. Long time use and does not leak. Skid resistance lines on the top. Oiling Maintenance: 1. Put jack in vertical state.2. Lower the pump and piston, until it is completely loose.3. Remove the rubber oil plug. 4. Pour into high quality hydraulic oil. 5. Mount rubber oil plug.6. Regular lubricate transmission joint and adjusting screw.PLEASE CHECK THE VARIATION THOROUGHLY AND CHECK THE IMAGE AND PRICE BEFORE ORDERING TO AVOID DISATISFACTION AND MISORDERING MADE IN U.S.AORIGINAL TOOLS DURABLE LIGHT WEIGHT SPECIAL TOOLS SET USE PO DIY OR PROFESIONAL FRIENDLY REMINDER FOR OUR DEAR CUSTOMERS! :) Thankyou for Trusting Us!Days to Ship-out 1-2 DaysEstimated Time to Delivery 3-7 DaysAll items are available unless is mark as "SOLD OUT"Choose the correct variation of the items has different color/prints so we can avoid mistakes.We accept returns if the item is not yet used , buyer will shoulder the return shipping cost.Please make sure to take a VIDEO Before Opening The Package .COMPLAINTS About Damages or Missing Items will NOT Be Entertained without VIDEO.If Order Is Already recieved Kind Click The Order Recieved in the DELIVERED SectionPlease give us a rate and good comments once you receive your order and feel satisfied with our product and service.THANK YOU FOR SHOPPING. :)