25mm (1") digital depth gauge with round pin - gives easy access to small slots, small diameter holes and depth measurement in confined spaces. Measurements - The base is 60mm (2 3/8inch) wide. The clear and easy to read display can be set to zero in any position, metric or imperial display and auto shut off. Included with the gauge - Storage case, Battery and Instructions. Pin diameter - 1.45mm. Resolution - 0.01mm (0.0005inch)., Weight: 0.5401325419 Pounds, Manufacturer: M-DRO