Angle Finder Inclinometer Protractor Magnetic Angle Finder Angle Measuring Tool Tilt Level Meter Slope Locator Angle Measurement Engineering Clinometer Angle Meter Gauge for Household Industrial Use auspowers_batchfive with measurements listed to cap B0C7QP3H3F with measurements listed to cap nominal thread sizes ranging from 1 4" through 5" Hook and loop closure The bottom have high light fluorescent blisters can be clearly seen at night Angle Finder Inclinometer Protractor Magnetic Angle Finder Angle Measuring Tool Tilt Level Meter Slope Locator Angle Measurement Engineering Clinometer Angle Meter Gauge for Household Industrial Use