Thread Pitch Gauge Set, Included Thread Pitch - mm 0.25 mm to 2.5 mm, Maximum Thread Pitch - mm 2.5 mm, Maximum TPI 2.5 mm, Minimum Thread Pitch - mm 0.25 mm, Minimum TPI 0.25 mm, Number of Leaves 28, Thread Angle 60 Degrees, Thread Type Metric, Gauge Material Steel, Locking Device Yes. This item has been restricted from sale in the following state (s): []