This is a Haltec 310 Valve Adapter Gun. It has a 1/2 female pipe thread and will attach to any calcium tire filling pump. It will extract the valve core from a Standard or Large Bore valve or the core housing from a tractor valve.
Haltec CH-410 Screw On Standard Bore Air Chuck for Aircraft Inflation to 300 psi
I-R Rotor Vane Set of 4 for I-R 310 and 312 Sander Models, Part # 310-42-4
IR2080-310 Silencer for I-R 2080 and 2080-6 1" Impacts, Part # 2080-310
1 GALLON RU310/RU-310 HOUSE OF KOLOR FAST REDUCER-PAINT
8 oz. RU310/RU-310 HOUSE OF KOLOR FAST REDUCER-AIRBRUSH
1 QUART RU310/RU-310 HOUSE OF KOLOR FAST REDUCER-PAINT