Review on WYNNsky Dual Head Heavy Duty Service Tire Pressure Gauge - Reliable Automotive Pressure Gauge for Professional Use by John Bennett

This seems to work fine but the big problem is that it fits my dual wheels. I recently bought another brand that had different angles on the two heads (specifically, one of the heads was straight (in line with the metering shaft) and the other at an angle. A straight linear head will not work with the valves on the inside of the dual - the wheel frame interfered.However, this pressure tester fits well - where both inboard and outboard heads do NOT line up with the gauge shaft.