19 pcsGas can spout replacement ,Suitable for most 1/2/5/10 gal gas cans6 * screw collar caps are all 1.75inch, 3 of them are coarse threads and the other 3 are fine threads. Please check your gas can outside thread diameter before you make this purchaseas Can Spout Kit for 1/2/5/10 Gal Replacement of Old Tanks Simple to install: 3 Bendable tubes3 Screw Collar Coarse Thread &3 Fine Thread-Fits Most of The Cans,3 threaded caps for tube6 Vent Caps 1 drill Lid has Thick Rubber pad The spout cap tube and The spout are threaded, every the spout cap has a thick rubber sealing ring inside. as long as you tighten the nozzle cap. No oil spills, even in the case of transport or a tank topped down. We offer two types of gas con vent caps,one is used for oil cans without a vent at the end of the oil can, All you need is a simple drilling and installation and ready to use.another is used for another oil can with a vent cap at the tail, Can replace old vent caps.you don't have to go through the hassle of replacing your old gas tank. By replacing the nozzle and vent kithelping you save your old gas can instead of buying a new one.