Dual 2-1/2" gauges feature chrome bezel and rugged protective outer boot. Scales read 0-100 psi and 0-700 kPa. Pressure regulated manifold includes quick couplers. Long flex 24" 14mm hose. 10mm, 12mm and 18mm thread adapters Quickly diagnose internal engine problems such as bad rings, valves and leaking head gaskets. Kit comes complete with adapters for most applications. Comes with detailed instruction chart all packaged in a blow molded hard case with removable lid.