Mastercool R134A 4-Way Aluminum Manifold Gauge Set (86972)

R134A 4-Way Aluminum Manifold Gauge SetSolid extruded aluminum bodyStainless steel ball valve design controls flow smoothly and quickly with only a quarter turnExtra large sight glass for visual refrigerant checkLarge 3-1/8″ (80mm) gaugesSilicone dampened gauges smooth out needle movementGauges can easily recalibrate in the field to maintain accuracy