Oil Suction Syringe Material- made from easy to clean and reusable epdm plastic, translucent body allows easy inspection of oils and fluids Solid Sealing- manual pump shaft piston is made of thick aluminum and it has two piston seals. there is no pressure leak. the back cap with plunger can be very easily removed and it seals perfectly when in place. Locking Design- just push the hose into the end of the pump and it automatically locks into place. so you never have to worry about tearing or blowing out when using the pump to fill things. Extension Hose- smoothly transfer fluid to small holes - oil suction syringe comes with 1/4" and 3/8" extension tubes, the extended syringe hose helps to suck or inject liquid easily, and this hose is detachable, easy to clean and maintain Manual Transfer Pump Application - pump is suitable for brake fluid, antifreeze, engine oil, gear oil, transmission oil, water, gasoline, diesel,oil or lubricantetc.the products are widely used in lawn mowers, automobiles, motorcycles, trucks, ships, Product Description Sealing Pump manual automotive transfer Feature: -Made of plastic -200CC/500CC. -Excellent for removing and refilling fluid brake fluid, antifreeze, gear oil, also power steering fluid and more Packing list: 1 x suction syringe 2 x connection hoses (6 mm + 8 mm) 2 x rubber rings.