• Stainless steel Imperial multifunction thread/pitch identification gauge.• Pitches: 10, 11, 12, 13, 14, 16, 18, 20, 24, 32, 40 (tpi).• Bolt Screw Diameters: No.5, No.6, No.8, No.10, No.12, 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 3/4".• Wire Gauge: 0.024", 0.03", 0.035", 0.025", 0.0312", 0.0375", 0.05", 0.0625", 0.078", 0.109", 0.125", 0.14", 0.172", 0.1875", 0.203", 0.234", 0.25".• Square: 15°, 30°, 45°, 60°, 90°.• Drill Point Angle: 60°, 90°, 118°, 135°.• Bolt screw length: 0-2-3/8"• Tap/Drill Recommendation: #2-3/4"• Check the thickness of washers and diameter of electric wire.Stainless steel multifunction thread/pitch identification gauge. Easily identify the size of bolt, drill bit or tap that is required. Check the thickness of washers and diameter of electric wire. Use as a set square and ruler.• Stainless steel imperial multifunction thread/pitch identification gauge. • Pitches: 10, 11, 12, 13, 14, 16, 18, 20, 24, 32, 40 (tpi). • Bolt Screw Diameters: No.5, No.6, No.8, No