Mastercool Stock Number 33772.
This is a 2-way brass charging and testing manifold with 72" standard hose fittings.
This manifold works with R12 and R134A
Hose connections are 1/4" SAE
Gauges are 3-1/8" and can be calibrated to maintain accuracy
Includes (3) 72" standard hose fittings
Anti-flutter gauges smooth out needle movement
Piston type free-floating valves reduce o-ring wear
Made in USA
Please see all pictures.