General description Precision mechanism with a 41mm dial and locking rotating bezel, offering an accurate method of measuring TDC. Ideal for motorcycle engine timing, automotive applications, and general-purpose workshop use. Technical specifications Dial size: 41mm Travel indication: up to 10mm Accuracy: 0.01mm Compatibility and accessories Includes Dial Indicator Probe Body 38mm and 51mm Extensions 10 x 1.0, 12 x 1.25, 14 x 1.25mm Spark Plug Socket Adaptors Installation Supplied in a storage case with high-density foam inlay for safe storage