Dual ends with 2 different sizes to cover all the valve cores in the field jobs. Big mouth is Air conditioning valve core wrench. Small mouth is the tire valve core wrench. It can be used to adjust the tire air mouth.
Valve Core Removal Tool HVAC, AC Schrader Tool, R410A Mini Split Pro
25 Bulk M10 AC Schrader Valve Core Fitting 134A For Ford GM Chrysler MT0065
A/C AC Schrader Valve Core Remover - Installer Tool Standard M8 M10 & JRA
HVAC AC R134A VALVE CORE HIGH & LOW PRESSURE QUICK REMOVER INSTALL TOOL SET
A/C AC System Valve Core and Cap + Schrader Remover Kit MT2907