Telescoping Gauge Range 1/2 in to 3/4 in Gauge Plunger Style Double-Arm Plunger Included Gauge Ranges 1/2 in to 3/4 in / 13 mm to 19 mm Maximum Measurement - Inch 1/2 in Maximum Measurement - mm 13 mm Maximum Measuring Depth 12 in Minimum Measurement - Inch 5/16 in Minimum Measurement - mm 8 mm Number of Pieces 1 Construction Steel Includes 12 in Handle Overall Length 12 in Replaceable Handle Yes