Air Plug Gauge With Setting Ring is used to check through or blind bore internal diameter. IT has adjustable depth collars for checking at specified level. We offer this in 3 Jet, 4 Jet & 6 Jet models which can also be customized to suit the specifications of our customers. Air Plug Gauge With Setting Ring is made using premium grade steel and progressive machinery, in range 6.0 mm to 200 mm. Clients can avail this from us at highly affordable rates.