Telescoping Gauge Range 3 1/2 in to 6 in Gauge Plunger Style Double-Arm Plunger Included Gauge Ranges 3 1/2 in to 6 in / 89 mm to 150 mm Maximum Measurement - Inch 6 in Maximum Measurement - mm 150 mm Maximum Measuring Depth 3.25 in Minimum Measurement - Inch 3 1/2 in Minimum Measurement - mm 89 mm Number of Pieces 1 Construction Steel Overall Length 3 1/4 in Replaceable Handle Yes