Quickly diagnose internal engine problems such as bad rings, valves and leaking head gaskets. Kit come complete with adapters for most applications. Dual 2 1/2" gauges feature scales that read 0-100 psi and 0-700 kPa. Pressure regulated manifold includes quick couplers. Long flex 24" 14mm hose. Contains: (Qty.) (1) Dual gauge pressure reader, (1) 10 mm adapter, (1) 12 mm adapter, (1) 18 mm adapter.