Plunger Type Dial Gauges have anvil thread of M 2.5 and clamping stem diameter of 8 mm. The Gauges have bezel diameter 0f 56 mm and reading ranging from 0.001 inch to 0.01 mm. The Gauges are available in ranges from 0.08 inch to 10.0 mm. The Plunger Type Dial Gauges are durable that ensures long lasting life.