V-Plate Gauge Compatible With Dimension Internal (ID) and External (OD) Dimension Type Inch Incline Angle Range 0 Degrees to 90 Degrees Includes Indicator Yes Maximum External Measurement - Inch 5 in Maximum External Measurement - mm 127 mm Maximum Internal Measurement - Inch 4 5/8 in Maximum Internal Measurement - mm 117 mm Minimum External Measurement - Inch 5/16 in Minimum External Measurement - mm 8 mm Minimum Internal Measurement - Inch 13/16 in