Specification Brand : GIMYUAN BulletPoint1 : Thread Checker & Drill Bit Gauge: Quickly identify up to 34 different sizes of bolts & nuts, covers the most common 19 standard (from 6-32 Coarse to 3/4-10 Coarse) and 15 metric (from 4mmx0.7 to 16mmx2.0) thread sizes. There are also 8 drill bit gauges to identify the size of common bits(from 4mm to 14mm, 1/4in, 1/2in). BulletPoint2 : Friendly design: For large nuts, our thread checker widen the spacing between bolts. Four corners are rounded and the included hanging holes make it easy to hang and carry. There are non-slip pads on the back that can be unscrewed and hung to the wall. BulletPoint3 : Made of All Metal: The screws are made of stainless steel and the board is made of lightweight aluminum for long-term use. The solid back plate is up to 0.2 in/5 mm thick. BulletPoint4 : Easy to Use: The surface features clear and easy-to-read metric and imperial measurements laser-etched, and length scales (15cm and 6 inches) on both sides make it easy to quickly measure nut/drill bit lengths. BulletPoint5 : All-in-one Design: All accessories are neatly fastened to a solid aluminum plate, ensuring that you can use it quickly and orderly every time, avoiding the hassle of confusion and loss. BulletPoint6 : Note: 1. When testing nuts or bolts, please do not use excessive force to avoid damaging the threads due to incorrect. 2. Since the feet are pre-installed, if you need to hang it on the wall, please unscrew the feet first. Color : Deep Red ExternallyAssignedProductIdentifier : 10726597545577 ExternallyAssignedProductIdentifier1 : 767392616980 ExternallyAssignedProductIdentifier2 : 0767392616980 GpsrSafetyAttestation : 1 IncludedComponents : THREAD CHECKER ItemName : Thread Checker, 34 Nut & Bolt Thread Size Checker with 8 Drill Bit Gauge, Thread Gauge Identifier Board for 19 Standard & 15 Metric, Aluminum Board Steel Bolts ItemPackageDimensions_Height : 26.9 centimeters ItemPackageDimensions_Length : 3.9 centimeters ItemPackageDimensions_Width : 21.9 centimeters ItemTypeKeyword : thread-gauges Manufacturer : GIMYUAN Material : Aluminum, Steel MeasurementAccuracy : 0.1mm & 1/16in ModelNumber : TC34A8-RED NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : TC34A8-RED ProductDescription : Thread Checker, 34 Nut & Bolt Thread Size Checker with 8 Drill Bit Gauge, Thread Gauge Identifier for 19 Standard & 15 Metric, Aluminum Board Steel Bolts ProductSiteLaunchDate : 2023-10-18T07:00:00.000Z Size : Large SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 27111700