Includes Taper Hole Gauge & Multifunction Measuring Tool. Stainless Steel Construction. Easily measure Pitches: 0.5 to 3.0mm. Bolt Screw Diameters: M3 to M20. Wire Gauge: 0.8 to 2.5mm. Angle Marking: 0-180°. Square:15°, 30°, 45°, 60° & 90°. Rule:1- 10cm. Bolt Screw Length & Taper Gauge:1-13mm