Mastercool (MAS98660) Dual R-134A/R12 Aluminum Manifold Gauge Set
Solid extruded aluminum bodyFree-floating piston type valves reduces o-ring wearAnti-flutter, silicone dampened gauges smooth out needle movementExtra large sightglass for visual refrigerant checkDual R-134a / R-12 Aluminum gauge set with color coded set of R-134a and R-12 hoses and couplers. Aluminum block with sightglass, heavy duty construction for years of reliable service. Anti-flutter silicone dampened gauges for accurate readings. Packaged in custom molded carrying case.