1. High-speed steel material, high hardness, not easy to deform, to meet the needs of high-precision measuring instruments.2. High-precision devices are manufactured with a rigorous process, and the edges are flat.3. Suitable for use in dial gauges.4. The thread is M2.5. (Please note when purchasing)5. This flat, disc-like contact point is ideal for use with drop indicators when measuring soft materials such as foam and plastics.Specification:Feature:High-speed steel material, high hardness, not easy to deform to meet the needs of high-precision gauges.High-precision gauges come in a rigorous process and the edges are flat. Suitable for use in dial gauges. The thread is M2.5. (Please note when purchasing)This flat, disc-like contact point is ideal for use with drop indicators when measuring soft materials such as foam and plastics.Specification:Material: High-speed steelThread: M2.5Model (Optional) Diameter (mm) Rod length (mm) ThicknessT1 5 20 0.4 mmT2 6 20 0.4 mmT3 8 20 0.5 mmT4 10 20 0.5 mmT7 8 20 1.0 mmT8 10 20 1.0 mmT9 5 40 0.4 mmT10 6 40 0.4 mmT11 8 40 0.5 mmT12 10 40 0.5 mmT14 6 40 1.0 mmT15 8 40 1.0 mmPackage list:1 * Flat contact dial indicatorNote:The actual product color may differ from the photo due to light. There may be a slight difference in the measurement of the product.< /p>