Inside Spring Caliper Range 0 in to 6 in/0 mm to 150 mm Joint Type Spring Maximum Measurement 150 mm 6 in Maximum Measurement - Inch 6 in Maximum Measurement - mm 150 mm Minimum Measurement - Inch 0 in Minimum Measurement - mm 0 mm Nut Type Solid Tip Type Solid Points Caliper Material Steel Includes - Leg Style Flat