Gas Tank Sprinkler Replacement, Fits Most 1/2/5/10 Gallon Tanks, We Offer 6 Threaded Shoe Collar Caps 3 Coarse Threads and 3 Fine Threads. The internal thread size is 1-3/4--1.7 inches (about 4.4 - 4.3 cm), and can only be used for gas tanks with a water tank mouth size of 1.7 inches (about 4.4 cm). Please measure your fuel tank mouth size before purchasing.High Quality Material These gas nozzle replacement parts are made of high quality plastic material, which can be bent freely without breaking during use. Thickened and widened rubber gasket can better fit the bottle cap and prevent liquid leakage when refueling.Spill-proof design, (special attention: the screw cap of the gas bottle is hexagonal), the nozzle tube and nozzle cover are threaded, and there is a rubber sealing ring inside the nozzle cover. Tighten the nozzle cap after use. There is also no spillage when transporting or when the tank is dropped.More tanks can be covered, we provide two tanks with vent caps (gas can vent cover - A is for tanks without vents at the end of the tank, you just need to simply drill and install it) (gas Can vent cap-B for another tank, with vent cap on the rear, can replace the old vent cap)Colour: YellowMaterial: PlasticPackage Contents:6 * Screw caps (3 coarse and 3 fine threads)3 * Yellow nozzles and rubber gaskets3 * Threaded nozzle caps2 types * Air valve caps1 * DrillOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.