Sealey MGI1 Multi-Gauge - Imperial 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. MGI1 Features: 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". Checks the thickness of washers and diameter of electric wire. Model No. MGI1 MGI1 Specification: Model No MGI1 Brand: Sealey Net Weight: 137.5g 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 Bolt Screw Length: 0-2-3/8 Drill Point Angle: 60° 90° 118° 135° Pitches: 10 11 12 13 14 16 18 20 24 32 40 (tpi) Square: 15°-30°-45°-60°-90° Tap/Drill Recommendation: #2-3/4 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 What is included: 1 x Sealey MGI1 Multi-Gauge - Imperial