Features:This TR618A valve is fit for 5/8" rim hole which is suitable for most agricultural tractor tire to use.This tractor tire valve can be used to replace the whole valve on the tire or you can use parts of it to repair the valve.This tubeless tire valve use threaded interface design on the valve stem and valve stem cap,they can firmly lock on to each other.The wheel valve is a important parts in valve system and with this you can prevent tire valve leakage problem.This tire valve is easy to install on the right type of tire rim and you don't need any spcail tools.Specification：100% new and high qualityMaterial: Metal.Color: Show as picture.Size: 57mm.Style：A.BReplacement part number: TR618A.Package include :1 * Tire valve.Note:Please be aware that due to your computer monitor display the color may have some difference between the picture and the real item.There is 2-3% difference according to manual measurement.