Worth every penny: ARB ARB505 E-Z Deflator Kit 10-60 PSI Tire Pressure Gauge Rapid Air Down Offroad Kit (PSI),blue https://www.amazon.com/dp/B004LQCDOA/ref=cm_sw_r_cp_api_glt_fabc_AMR58MK06H16BNGZF12F
I forgot deflators. I use this one, it pulls the stem and your tire is deflated in about 10 seconds. It took me about 1-2 uses to get good with it, I can now air down in less time then it takes most people to screw on the auto deflators.