The model number is NP23. There are NO leaks. Runs strong. These are military surplus tools and will have markings on them. They are dirty and will need cleaned.
Sunnen AG-340 Extra Large Point Set for AG-300 AG 400 Gauges (2.625" - 3.375")
BESNEY AG-666 SUPER SPEED FAST CLEARCOAT WITH AG-667 HARDENER (4:1 GALLON KIT)
Sunnen AG-299A Setting Fixture AG-300 Gage nt Rottler
Sunnen AG-465A Large Calibration Ring AG-300 Gage nt Rottler
Sunnen AG-450A Small Calibration Ring AG-300 Gage Short Finger Model
Andrew Mack Brush Von Dago Saber Liner Set of 6 Sizes 4/0-6