Simple and classic diesel engine compression tester. Fixes the pointer position during testing. so that the result is known exactly. 0-70 bar measuring range is suitable for both old. and new engines. Includes adapters for injector holes with thread M18-M24-M18x1.5-M24x1.5-M24x2.0 and adapters for glow plug holes with thread M10x1.0-M10x1.25-M10x1.25-M12x1.25. In a plastic case.