I have a pair of these tires at the tire shop and always keep one in my bag. I often use them to service the tires on our trucks and to deflate the tires on the vehicles I load onto our vans so I can lower the loading height to legal limits. They are much easier to use than the standard "T" shaped valve core multi-tool that everyone is familiar with. In addition, this tool is calibrated as a click torque wrench to prevent over-tightening of the valve core. In general, this is a must-have for those who deal with tires frequently.