【Fit for Standard Quart Bottles】Reliable lower unit gear oil pump fits all standard 1 quart lower unit lube bottles. Perfect for most 32 ounce outboard gear oil bottles. The package includes 2 different lengths of suction tubes for tall and short quart bottles. 【3-sizes Adapters】3/8" swivel adapter connected to clear plastic tubing .8 mm and 10 mm aluminum adapters that will fit most outboard motor's lower unit drain threads hole.（Not fit for VOLVO PENTA） 【Fitment】Metal threaded fitting fits for Mercruiser, OMC, Evinrude, Johnson, Honda (70hp & up), Force, Mercury (US origin models), Yamaha, and Gamefisher lower units (check owner's manual to confirm exact size needed).With flexible o-rings for sealing each adapter. 【Transfer gear lube hand pump 】 Ideal for do-it-yourself owners.A quick, easy, and clean way to change marine lower unit gear lube. With different adapters, this lower unit gear oil pump quickly and perfectly refills the marine motor lower unit in a few minutes. 【Satisfaction Guarantee】You can simply return it if you are not satisfied with the product. We support 30 days full refunds for returns and a 1-year warranty.