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