* 5 Pressure Gauges in various sizes and ranges. * Heavy-duty pressure test hoses. * Quick Couplers in various sizes and types. * Various adapters and threads for compatibility with most hydraulic systems. * Protective case for storage and organization Measures hydraulic pump pressure. ✅ Checks valve performance. ✅ Detects pump weakness or internal leaks. ✅ Tests hydraulic circuit pressure in heavy equipment. ✅ Diagnoses faults quickly before disassembling parts.